Home / 736,235.40-1,104,363.30-485,123.40

Finding the Fourth Proportional to 736,235.40, 1,104,363.30 and 485,123.40

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Solution

The fourth proportional to 736,235.40, 1,104,363.30 and 485,123.40 is: 727,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,235.40 : 1,104,363.30 = 485,123.40 : x
  2. Step 2: Convert to fraction form
    736,235.40/1,104,363.30 = 485,123.40/x
  3. Step 3: Cross multiply
    736,235.40x = 1,104,363.30 × 485,123.40
  4. Step 4: Simplify right side
    736,235.40x = 535,752,478,931.22
  5. Step 5: Solve for x
    x = 535,752,478,931.22/736,235.40
  6. Step 6: Final answer
    x = 727,691.82

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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.