Home / 697,277.70-1,045,916.55-484,701.30

Finding the Fourth Proportional to 697,277.70, 1,045,916.55 and 484,701.30

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Solution

The fourth proportional to 697,277.70, 1,045,916.55 and 484,701.30 is: 727,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,277.70 : 1,045,916.55 = 484,701.30 : x
  2. Step 2: Convert to fraction form
    697,277.70/1,045,916.55 = 484,701.30/x
  3. Step 3: Cross multiply
    697,277.70x = 1,045,916.55 × 484,701.30
  4. Step 4: Simplify right side
    697,277.70x = 506,957,111,476.52
  5. Step 5: Solve for x
    x = 506,957,111,476.52/697,277.70
  6. Step 6: Final answer
    x = 727,051.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.