Home / 975,342.60-1,345,941.54-545,613.48

Finding the Fourth Proportional to 975,342.60, 1,345,941.54 and 545,613.48

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Solution

The fourth proportional to 975,342.60, 1,345,941.54 and 545,613.48 is: 752,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,342.60 : 1,345,941.54 = 545,613.48 : x
  2. Step 2: Convert to fraction form
    975,342.60/1,345,941.54 = 545,613.48/x
  3. Step 3: Cross multiply
    975,342.60x = 1,345,941.54 × 545,613.48
  4. Step 4: Simplify right side
    975,342.60x = 734,363,847,515.96
  5. Step 5: Solve for x
    x = 734,363,847,515.96/975,342.60
  6. Step 6: Final answer
    x = 752,929.12

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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.