Home / 972,002.99-1,341,364.95-542,283.20

Finding the Fourth Proportional to 972,002.99, 1,341,364.95 and 542,283.20

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Solution

The fourth proportional to 972,002.99, 1,341,364.95 and 542,283.20 is: 748,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.99 : 1,341,364.95 = 542,283.20 : x
  2. Step 2: Convert to fraction form
    972,002.99/1,341,364.95 = 542,283.20/x
  3. Step 3: Cross multiply
    972,002.99x = 1,341,364.95 × 542,283.20
  4. Step 4: Simplify right side
    972,002.99x = 727,399,670,747.02
  5. Step 5: Solve for x
    x = 727,399,670,747.02/972,002.99
  6. Step 6: Final answer
    x = 748,351.27

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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.