Home / 711,630.60-1,068,029.10-688,302.60

Finding the Fourth Proportional to 711,630.60, 1,068,029.10 and 688,302.60

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Solution

The fourth proportional to 711,630.60, 1,068,029.10 and 688,302.60 is: 1,033,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,630.60 : 1,068,029.10 = 688,302.60 : x
  2. Step 2: Convert to fraction form
    711,630.60/1,068,029.10 = 688,302.60/x
  3. Step 3: Cross multiply
    711,630.60x = 1,068,029.10 × 688,302.60
  4. Step 4: Simplify right side
    711,630.60x = 735,127,206,405.66
  5. Step 5: Solve for x
    x = 735,127,206,405.66/711,630.60
  6. Step 6: Final answer
    x = 1,033,017.98

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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.