Home / 906,222.12-1,250,666.22-498,395.82

Finding the Fourth Proportional to 906,222.12, 1,250,666.22 and 498,395.82

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Solution

The fourth proportional to 906,222.12, 1,250,666.22 and 498,395.82 is: 687,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,222.12 : 1,250,666.22 = 498,395.82 : x
  2. Step 2: Convert to fraction form
    906,222.12/1,250,666.22 = 498,395.82/x
  3. Step 3: Cross multiply
    906,222.12x = 1,250,666.22 × 498,395.82
  4. Step 4: Simplify right side
    906,222.12x = 623,326,816,263.20
  5. Step 5: Solve for x
    x = 623,326,816,263.20/906,222.12
  6. Step 6: Final answer
    x = 687,830.06

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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.