Home / 975,354.34-1,345,990.98-545,641.66

Finding the Fourth Proportional to 975,354.34, 1,345,990.98 and 545,641.66

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Solution

The fourth proportional to 975,354.34, 1,345,990.98 and 545,641.66 is: 752,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,354.34 : 1,345,990.98 = 545,641.66 : x
  2. Step 2: Convert to fraction form
    975,354.34/1,345,990.98 = 545,641.66/x
  3. Step 3: Cross multiply
    975,354.34x = 1,345,990.98 × 545,641.66
  4. Step 4: Simplify right side
    975,354.34x = 734,428,752,672.23
  5. Step 5: Solve for x
    x = 734,428,752,672.23/975,354.34
  6. Step 6: Final answer
    x = 752,986.60

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1.5x scale

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.