Home / 868,002.30-1,302,003.45-710,408.70

Finding the Fourth Proportional to 868,002.30, 1,302,003.45 and 710,408.70

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Solution

The fourth proportional to 868,002.30, 1,302,003.45 and 710,408.70 is: 1,065,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,002.30 : 1,302,003.45 = 710,408.70 : x
  2. Step 2: Convert to fraction form
    868,002.30/1,302,003.45 = 710,408.70/x
  3. Step 3: Cross multiply
    868,002.30x = 1,302,003.45 × 710,408.70
  4. Step 4: Simplify right side
    868,002.30x = 924,954,578,310.02
  5. Step 5: Solve for x
    x = 924,954,578,310.02/868,002.30
  6. Step 6: Final answer
    x = 1,065,613.05

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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.