Home / 898,929.60-1,348,912.80-338,366.40

Finding the Fourth Proportional to 898,929.60, 1,348,912.80 and 338,366.40

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Solution

The fourth proportional to 898,929.60, 1,348,912.80 and 338,366.40 is: 507,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,929.60 : 1,348,912.80 = 338,366.40 : x
  2. Step 2: Convert to fraction form
    898,929.60/1,348,912.80 = 338,366.40/x
  3. Step 3: Cross multiply
    898,929.60x = 1,348,912.80 × 338,366.40
  4. Step 4: Simplify right side
    898,929.60x = 456,426,768,049.92
  5. Step 5: Solve for x
    x = 456,426,768,049.92/898,929.60
  6. Step 6: Final answer
    x = 507,744.73

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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.