Home / 727,831.20-1,091,746.80-529,543.20

Finding the Fourth Proportional to 727,831.20, 1,091,746.80 and 529,543.20

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Solution

The fourth proportional to 727,831.20, 1,091,746.80 and 529,543.20 is: 794,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,831.20 : 1,091,746.80 = 529,543.20 : x
  2. Step 2: Convert to fraction form
    727,831.20/1,091,746.80 = 529,543.20/x
  3. Step 3: Cross multiply
    727,831.20x = 1,091,746.80 × 529,543.20
  4. Step 4: Simplify right side
    727,831.20x = 578,127,094,061.76
  5. Step 5: Solve for x
    x = 578,127,094,061.76/727,831.20
  6. Step 6: Final answer
    x = 794,314.80

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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.