Home / 975,320.42-1,345,888.04-545,517.52

Finding the Fourth Proportional to 975,320.42, 1,345,888.04 and 545,517.52

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Solution

The fourth proportional to 975,320.42, 1,345,888.04 and 545,517.52 is: 752,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,320.42 : 1,345,888.04 = 545,517.52 : x
  2. Step 2: Convert to fraction form
    975,320.42/1,345,888.04 = 545,517.52/x
  3. Step 3: Cross multiply
    975,320.42x = 1,345,888.04 × 545,517.52
  4. Step 4: Simplify right side
    975,320.42x = 734,205,499,686.15
  5. Step 5: Solve for x
    x = 734,205,499,686.15/975,320.42
  6. Step 6: Final answer
    x = 752,783.89

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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.