Home / 637,962.13-880,385.10-347,572.87

Finding the Fourth Proportional to 637,962.13, 880,385.10 and 347,572.87

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Solution

The fourth proportional to 637,962.13, 880,385.10 and 347,572.87 is: 479,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,962.13 : 880,385.10 = 347,572.87 : x
  2. Step 2: Convert to fraction form
    637,962.13/880,385.10 = 347,572.87/x
  3. Step 3: Cross multiply
    637,962.13x = 880,385.10 × 347,572.87
  4. Step 4: Simplify right side
    637,962.13x = 305,997,979,315.14
  5. Step 5: Solve for x
    x = 305,997,979,315.14/637,962.13
  6. Step 6: Final answer
    x = 479,649.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.