Home / 688,751.40-1,030,211.10-618,184.20

Finding the Fourth Proportional to 688,751.40, 1,030,211.10 and 618,184.20

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Solution

The fourth proportional to 688,751.40, 1,030,211.10 and 618,184.20 is: 924,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,751.40 : 1,030,211.10 = 618,184.20 : x
  2. Step 2: Convert to fraction form
    688,751.40/1,030,211.10 = 618,184.20/x
  3. Step 3: Cross multiply
    688,751.40x = 1,030,211.10 × 618,184.20
  4. Step 4: Simplify right side
    688,751.40x = 636,860,224,684.62
  5. Step 5: Solve for x
    x = 636,860,224,684.62/688,751.40
  6. Step 6: Final answer
    x = 924,659.06

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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.