Home / 855,387.60-1,180,398.60-473,378.64

Finding the Fourth Proportional to 855,387.60, 1,180,398.60 and 473,378.64

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Solution

The fourth proportional to 855,387.60, 1,180,398.60 and 473,378.64 is: 653,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,387.60 : 1,180,398.60 = 473,378.64 : x
  2. Step 2: Convert to fraction form
    855,387.60/1,180,398.60 = 473,378.64/x
  3. Step 3: Cross multiply
    855,387.60x = 1,180,398.60 × 473,378.64
  4. Step 4: Simplify right side
    855,387.60x = 558,775,483,925.90
  5. Step 5: Solve for x
    x = 558,775,483,925.90/855,387.60
  6. Step 6: Final answer
    x = 653,242.44

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Double scale
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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.