Home / 808,404.60-1,211,294.70-508,348.20

Finding the Fourth Proportional to 808,404.60, 1,211,294.70 and 508,348.20

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Solution

The fourth proportional to 808,404.60, 1,211,294.70 and 508,348.20 is: 761,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,404.60 : 1,211,294.70 = 508,348.20 : x
  2. Step 2: Convert to fraction form
    808,404.60/1,211,294.70 = 508,348.20/x
  3. Step 3: Cross multiply
    808,404.60x = 1,211,294.70 × 508,348.20
  4. Step 4: Simplify right side
    808,404.60x = 615,759,480,414.54
  5. Step 5: Solve for x
    x = 615,759,480,414.54/808,404.60
  6. Step 6: Final answer
    x = 761,697.15

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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.