Home / 841,440.12-1,261,717.28-575,276.76

Finding the Fourth Proportional to 841,440.12, 1,261,717.28 and 575,276.76

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Solution

The fourth proportional to 841,440.12, 1,261,717.28 and 575,276.76 is: 862,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,440.12 : 1,261,717.28 = 575,276.76 : x
  2. Step 2: Convert to fraction form
    841,440.12/1,261,717.28 = 575,276.76/x
  3. Step 3: Cross multiply
    841,440.12x = 1,261,717.28 × 575,276.76
  4. Step 4: Simplify right side
    841,440.12x = 725,836,626,224.70
  5. Step 5: Solve for x
    x = 725,836,626,224.70/841,440.12
  6. Step 6: Final answer
    x = 862,612.33

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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.