Home / 906,332.66-1,250,714.09-498,434.45

Finding the Fourth Proportional to 906,332.66, 1,250,714.09 and 498,434.45

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Solution

The fourth proportional to 906,332.66, 1,250,714.09 and 498,434.45 is: 687,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,332.66 : 1,250,714.09 = 498,434.45 : x
  2. Step 2: Convert to fraction form
    906,332.66/1,250,714.09 = 498,434.45/x
  3. Step 3: Cross multiply
    906,332.66x = 1,250,714.09 × 498,434.45
  4. Step 4: Simplify right side
    906,332.66x = 623,398,990,191.01
  5. Step 5: Solve for x
    x = 623,398,990,191.01/906,332.66
  6. Step 6: Final answer
    x = 687,825.81

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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.