Home / 906,000.15-1,250,281.01-498,108.93

Finding the Fourth Proportional to 906,000.15, 1,250,281.01 and 498,108.93

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Solution

The fourth proportional to 906,000.15, 1,250,281.01 and 498,108.93 is: 687,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,000.15 : 1,250,281.01 = 498,108.93 : x
  2. Step 2: Convert to fraction form
    906,000.15/1,250,281.01 = 498,108.93/x
  3. Step 3: Cross multiply
    906,000.15x = 1,250,281.01 × 498,108.93
  4. Step 4: Simplify right side
    906,000.15x = 622,776,133,599.88
  5. Step 5: Solve for x
    x = 622,776,133,599.88/906,000.15
  6. Step 6: Final answer
    x = 687,390.76

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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.