Home / 880,612.96-1,215,811.92-605,428.96

Finding the Fourth Proportional to 880,612.96, 1,215,811.92 and 605,428.96

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Solution

The fourth proportional to 880,612.96, 1,215,811.92 and 605,428.96 is: 835,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,612.96 : 1,215,811.92 = 605,428.96 : x
  2. Step 2: Convert to fraction form
    880,612.96/1,215,811.92 = 605,428.96/x
  3. Step 3: Cross multiply
    880,612.96x = 1,215,811.92 × 605,428.96
  4. Step 4: Simplify right side
    880,612.96x = 736,087,746,281.20
  5. Step 5: Solve for x
    x = 736,087,746,281.20/880,612.96
  6. Step 6: Final answer
    x = 835,881.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.