Home / 668,401.60-1,002,602.40-587,045.20

Finding the Fourth Proportional to 668,401.60, 1,002,602.40 and 587,045.20

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Solution

The fourth proportional to 668,401.60, 1,002,602.40 and 587,045.20 is: 880,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,401.60 : 1,002,602.40 = 587,045.20 : x
  2. Step 2: Convert to fraction form
    668,401.60/1,002,602.40 = 587,045.20/x
  3. Step 3: Cross multiply
    668,401.60x = 1,002,602.40 × 587,045.20
  4. Step 4: Simplify right side
    668,401.60x = 588,572,926,428.48
  5. Step 5: Solve for x
    x = 588,572,926,428.48/668,401.60
  6. Step 6: Final answer
    x = 880,567.80

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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.