Home / 875,510.40-1,313,304.95-268,254.23

Finding the Fourth Proportional to 875,510.40, 1,313,304.95 and 268,254.23

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Solution

The fourth proportional to 875,510.40, 1,313,304.95 and 268,254.23 is: 402,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,510.40 : 1,313,304.95 = 268,254.23 : x
  2. Step 2: Convert to fraction form
    875,510.40/1,313,304.95 = 268,254.23/x
  3. Step 3: Cross multiply
    875,510.40x = 1,313,304.95 × 268,254.23
  4. Step 4: Simplify right side
    875,510.40x = 352,299,600,209.64
  5. Step 5: Solve for x
    x = 352,299,600,209.64/875,510.40
  6. Step 6: Final answer
    x = 402,393.39

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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.