Home / 906,387.66-1,250,834.97-498,510.15

Finding the Fourth Proportional to 906,387.66, 1,250,834.97 and 498,510.15

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Solution

The fourth proportional to 906,387.66, 1,250,834.97 and 498,510.15 is: 687,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,387.66 : 1,250,834.97 = 498,510.15 : x
  2. Step 2: Convert to fraction form
    906,387.66/1,250,834.97 = 498,510.15/x
  3. Step 3: Cross multiply
    906,387.66x = 1,250,834.97 × 498,510.15
  4. Step 4: Simplify right side
    906,387.66x = 623,553,926,027.40
  5. Step 5: Solve for x
    x = 623,553,926,027.40/906,387.66
  6. Step 6: Final answer
    x = 687,955.01

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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.