Home / 924,668.80-1,276,038.56-516,770.21

Finding the Fourth Proportional to 924,668.80, 1,276,038.56 and 516,770.21

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Solution

The fourth proportional to 924,668.80, 1,276,038.56 and 516,770.21 is: 713,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,668.80 : 1,276,038.56 = 516,770.21 : x
  2. Step 2: Convert to fraction form
    924,668.80/1,276,038.56 = 516,770.21/x
  3. Step 3: Cross multiply
    924,668.80x = 1,276,038.56 × 516,770.21
  4. Step 4: Simplify right side
    924,668.80x = 659,418,719,101.32
  5. Step 5: Solve for x
    x = 659,418,719,101.32/924,668.80
  6. Step 6: Final answer
    x = 713,140.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.