Home / 788,831.13-1,088,406.21-498,093.22

Finding the Fourth Proportional to 788,831.13, 1,088,406.21 and 498,093.22

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Solution

The fourth proportional to 788,831.13, 1,088,406.21 and 498,093.22 is: 687,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,831.13 : 1,088,406.21 = 498,093.22 : x
  2. Step 2: Convert to fraction form
    788,831.13/1,088,406.21 = 498,093.22/x
  3. Step 3: Cross multiply
    788,831.13x = 1,088,406.21 × 498,093.22
  4. Step 4: Simplify right side
    788,831.13x = 542,127,755,052.13
  5. Step 5: Solve for x
    x = 542,127,755,052.13/788,831.13
  6. Step 6: Final answer
    x = 687,254.52

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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.