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Finding the Fourth Proportional to 680,248.20, 940,037.22 and 510,187.08

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Solution

The fourth proportional to 680,248.20, 940,037.22 and 510,187.08 is: 705,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,248.20 : 940,037.22 = 510,187.08 : x
  2. Step 2: Convert to fraction form
    680,248.20/940,037.22 = 510,187.08/x
  3. Step 3: Cross multiply
    680,248.20x = 940,037.22 × 510,187.08
  4. Step 4: Simplify right side
    680,248.20x = 479,594,844,363.12
  5. Step 5: Solve for x
    x = 479,594,844,363.12/680,248.20
  6. Step 6: Final answer
    x = 705,029.20

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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.