Home / 714,326.80-1,070,615.40-314,543.20

Finding the Fourth Proportional to 714,326.80, 1,070,615.40 and 314,543.20

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Solution

The fourth proportional to 714,326.80, 1,070,615.40 and 314,543.20 is: 471,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,326.80 : 1,070,615.40 = 314,543.20 : x
  2. Step 2: Convert to fraction form
    714,326.80/1,070,615.40 = 314,543.20/x
  3. Step 3: Cross multiply
    714,326.80x = 1,070,615.40 × 314,543.20
  4. Step 4: Simplify right side
    714,326.80x = 336,754,793,885.28
  5. Step 5: Solve for x
    x = 336,754,793,885.28/714,326.80
  6. Step 6: Final answer
    x = 471,429.59

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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.