Home / 898,616.60-1,347,924.90-478,712.60

Finding the Fourth Proportional to 898,616.60, 1,347,924.90 and 478,712.60

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Solution

The fourth proportional to 898,616.60, 1,347,924.90 and 478,712.60 is: 718,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,616.60 : 1,347,924.90 = 478,712.60 : x
  2. Step 2: Convert to fraction form
    898,616.60/1,347,924.90 = 478,712.60/x
  3. Step 3: Cross multiply
    898,616.60x = 1,347,924.90 × 478,712.60
  4. Step 4: Simplify right side
    898,616.60x = 645,268,633,483.74
  5. Step 5: Solve for x
    x = 645,268,633,483.74/898,616.60
  6. Step 6: Final answer
    x = 718,068.90

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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.