Home / 745,891.38-1,030,455-602,402.40

Finding the Fourth Proportional to 745,891.38, 1,030,455 and 602,402.40

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Solution

The fourth proportional to 745,891.38, 1,030,455 and 602,402.40 is: 832,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,891.38 : 1,030,455 = 602,402.40 : x
  2. Step 2: Convert to fraction form
    745,891.38/1,030,455 = 602,402.40/x
  3. Step 3: Cross multiply
    745,891.38x = 1,030,455 × 602,402.40
  4. Step 4: Simplify right side
    745,891.38x = 620,748,565,092
  5. Step 5: Solve for x
    x = 620,748,565,092/745,891.38
  6. Step 6: Final answer
    x = 832,223.81

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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.