Home / 724,307.60-1,086,461.40-710,310.80

Finding the Fourth Proportional to 724,307.60, 1,086,461.40 and 710,310.80

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Solution

The fourth proportional to 724,307.60, 1,086,461.40 and 710,310.80 is: 1,065,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,307.60 : 1,086,461.40 = 710,310.80 : x
  2. Step 2: Convert to fraction form
    724,307.60/1,086,461.40 = 710,310.80/x
  3. Step 3: Cross multiply
    724,307.60x = 1,086,461.40 × 710,310.80
  4. Step 4: Simplify right side
    724,307.60x = 771,725,266,203.12
  5. Step 5: Solve for x
    x = 771,725,266,203.12/724,307.60
  6. Step 6: Final answer
    x = 1,065,466.20

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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.