Home / 906,340.15-1,250,724.43-498,441.98

Finding the Fourth Proportional to 906,340.15, 1,250,724.43 and 498,441.98

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Solution

The fourth proportional to 906,340.15, 1,250,724.43 and 498,441.98 is: 687,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,340.15 : 1,250,724.43 = 498,441.98 : x
  2. Step 2: Convert to fraction form
    906,340.15/1,250,724.43 = 498,441.98/x
  3. Step 3: Cross multiply
    906,340.15x = 1,250,724.43 × 498,441.98
  4. Step 4: Simplify right side
    906,340.15x = 623,413,559,277.69
  5. Step 5: Solve for x
    x = 623,413,559,277.69/906,340.15
  6. Step 6: Final answer
    x = 687,836.20

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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.