Home / 880,831.78-1,215,527.61-513,285.51

Finding the Fourth Proportional to 880,831.78, 1,215,527.61 and 513,285.51

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Solution

The fourth proportional to 880,831.78, 1,215,527.61 and 513,285.51 is: 708,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,831.78 : 1,215,527.61 = 513,285.51 : x
  2. Step 2: Convert to fraction form
    880,831.78/1,215,527.61 = 513,285.51/x
  3. Step 3: Cross multiply
    880,831.78x = 1,215,527.61 × 513,285.51
  4. Step 4: Simplify right side
    880,831.78x = 623,912,703,697.29
  5. Step 5: Solve for x
    x = 623,912,703,697.29/880,831.78
  6. Step 6: Final answer
    x = 708,322.20

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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.