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Finding the Fourth Proportional to 520,945.30, 783,088.35 and 483,966.10

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Solution

The fourth proportional to 520,945.30, 783,088.35 and 483,966.10 is: 727,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,945.30 : 783,088.35 = 483,966.10 : x
  2. Step 2: Convert to fraction form
    520,945.30/783,088.35 = 483,966.10/x
  3. Step 3: Cross multiply
    520,945.30x = 783,088.35 × 483,966.10
  4. Step 4: Simplify right side
    520,945.30x = 378,988,214,704.94
  5. Step 5: Solve for x
    x = 378,988,214,704.94/520,945.30
  6. Step 6: Final answer
    x = 727,500.98

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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.