Home / 912,446.56-1,259,151.60-510,116.32

Finding the Fourth Proportional to 912,446.56, 1,259,151.60 and 510,116.32

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Solution

The fourth proportional to 912,446.56, 1,259,151.60 and 510,116.32 is: 703,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,446.56 : 1,259,151.60 = 510,116.32 : x
  2. Step 2: Convert to fraction form
    912,446.56/1,259,151.60 = 510,116.32/x
  3. Step 3: Cross multiply
    912,446.56x = 1,259,151.60 × 510,116.32
  4. Step 4: Simplify right side
    912,446.56x = 642,313,780,514.11
  5. Step 5: Solve for x
    x = 642,313,780,514.11/912,446.56
  6. Step 6: Final answer
    x = 703,946.74

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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.