Home / 887,979.60-1,331,094.60-438,769.80

Finding the Fourth Proportional to 887,979.60, 1,331,094.60 and 438,769.80

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Solution

The fourth proportional to 887,979.60, 1,331,094.60 and 438,769.80 is: 657,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,979.60 : 1,331,094.60 = 438,769.80 : x
  2. Step 2: Convert to fraction form
    887,979.60/1,331,094.60 = 438,769.80/x
  3. Step 3: Cross multiply
    887,979.60x = 1,331,094.60 × 438,769.80
  4. Step 4: Simplify right side
    887,979.60x = 584,044,111,423.08
  5. Step 5: Solve for x
    x = 584,044,111,423.08/887,979.60
  6. Step 6: Final answer
    x = 657,722.44

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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.