Home / 998,440.30-1,497,660.45-598,875.40

Finding the Fourth Proportional to 998,440.30, 1,497,660.45 and 598,875.40

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Solution

The fourth proportional to 998,440.30, 1,497,660.45 and 598,875.40 is: 898,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,440.30 : 1,497,660.45 = 598,875.40 : x
  2. Step 2: Convert to fraction form
    998,440.30/1,497,660.45 = 598,875.40/x
  3. Step 3: Cross multiply
    998,440.30x = 1,497,660.45 × 598,875.40
  4. Step 4: Simplify right side
    998,440.30x = 896,912,001,057.93
  5. Step 5: Solve for x
    x = 896,912,001,057.93/998,440.30
  6. Step 6: Final answer
    x = 898,313.10

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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.