Home / 747,583.88-1,121,547.56-215,109.32

Finding the Fourth Proportional to 747,583.88, 1,121,547.56 and 215,109.32

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Solution

The fourth proportional to 747,583.88, 1,121,547.56 and 215,109.32 is: 322,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,583.88 : 1,121,547.56 = 215,109.32 : x
  2. Step 2: Convert to fraction form
    747,583.88/1,121,547.56 = 215,109.32/x
  3. Step 3: Cross multiply
    747,583.88x = 1,121,547.56 × 215,109.32
  4. Step 4: Simplify right side
    747,583.88x = 241,255,332,979.26
  5. Step 5: Solve for x
    x = 241,255,332,979.26/747,583.88
  6. Step 6: Final answer
    x = 322,713.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.