Home / 906,387.16-1,250,834.28-498,509.65

Finding the Fourth Proportional to 906,387.16, 1,250,834.28 and 498,509.65

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Solution

The fourth proportional to 906,387.16, 1,250,834.28 and 498,509.65 is: 687,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,387.16 : 1,250,834.28 = 498,509.65 : x
  2. Step 2: Convert to fraction form
    906,387.16/1,250,834.28 = 498,509.65/x
  3. Step 3: Cross multiply
    906,387.16x = 1,250,834.28 × 498,509.65
  4. Step 4: Simplify right side
    906,387.16x = 623,552,956,012.76
  5. Step 5: Solve for x
    x = 623,552,956,012.76/906,387.16
  6. Step 6: Final answer
    x = 687,954.32

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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.