Home / 738,111.30-1,107,166.95-239,475.30

Finding the Fourth Proportional to 738,111.30, 1,107,166.95 and 239,475.30

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Solution

The fourth proportional to 738,111.30, 1,107,166.95 and 239,475.30 is: 359,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,111.30 : 1,107,166.95 = 239,475.30 : x
  2. Step 2: Convert to fraction form
    738,111.30/1,107,166.95 = 239,475.30/x
  3. Step 3: Cross multiply
    738,111.30x = 1,107,166.95 × 239,475.30
  4. Step 4: Simplify right side
    738,111.30x = 265,139,137,501.34
  5. Step 5: Solve for x
    x = 265,139,137,501.34/738,111.30
  6. Step 6: Final answer
    x = 359,212.95

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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.