Home / 841,451.98-1,262,637.18-487,157.98

Finding the Fourth Proportional to 841,451.98, 1,262,637.18 and 487,157.98

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Solution

The fourth proportional to 841,451.98, 1,262,637.18 and 487,157.98 is: 731,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,451.98 : 1,262,637.18 = 487,157.98 : x
  2. Step 2: Convert to fraction form
    841,451.98/1,262,637.18 = 487,157.98/x
  3. Step 3: Cross multiply
    841,451.98x = 1,262,637.18 × 487,157.98
  4. Step 4: Simplify right side
    841,451.98x = 615,103,778,081.70
  5. Step 5: Solve for x
    x = 615,103,778,081.70/841,451.98
  6. Step 6: Final answer
    x = 731,002.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.