Home / 739,675.20-1,108,747.35-402,002.40

Finding the Fourth Proportional to 739,675.20, 1,108,747.35 and 402,002.40

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Solution

The fourth proportional to 739,675.20, 1,108,747.35 and 402,002.40 is: 602,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,675.20 : 1,108,747.35 = 402,002.40 : x
  2. Step 2: Convert to fraction form
    739,675.20/1,108,747.35 = 402,002.40/x
  3. Step 3: Cross multiply
    739,675.20x = 1,108,747.35 × 402,002.40
  4. Step 4: Simplify right side
    739,675.20x = 445,719,095,693.64
  5. Step 5: Solve for x
    x = 445,719,095,693.64/739,675.20
  6. Step 6: Final answer
    x = 602,587.59

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1.5x scale

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.