Home / 711,048.60-1,064,844.90-377,890.20

Finding the Fourth Proportional to 711,048.60, 1,064,844.90 and 377,890.20

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Solution

The fourth proportional to 711,048.60, 1,064,844.90 and 377,890.20 is: 565,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,048.60 : 1,064,844.90 = 377,890.20 : x
  2. Step 2: Convert to fraction form
    711,048.60/1,064,844.90 = 377,890.20/x
  3. Step 3: Cross multiply
    711,048.60x = 1,064,844.90 × 377,890.20
  4. Step 4: Simplify right side
    711,048.60x = 402,394,452,229.98
  5. Step 5: Solve for x
    x = 402,394,452,229.98/711,048.60
  6. Step 6: Final answer
    x = 565,916.95

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Double scale
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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.