Home / 956,128.25-1,319,433.10-542,742.22

Finding the Fourth Proportional to 956,128.25, 1,319,433.10 and 542,742.22

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Solution

The fourth proportional to 956,128.25, 1,319,433.10 and 542,742.22 is: 748,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,128.25 : 1,319,433.10 = 542,742.22 : x
  2. Step 2: Convert to fraction form
    956,128.25/1,319,433.10 = 542,742.22/x
  3. Step 3: Cross multiply
    956,128.25x = 1,319,433.10 × 542,742.22
  4. Step 4: Simplify right side
    956,128.25x = 716,112,050,127.92
  5. Step 5: Solve for x
    x = 716,112,050,127.92/956,128.25
  6. Step 6: Final answer
    x = 748,970.70

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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.