Home / 524,724.48-787,008.29-145,605.30

Finding the Fourth Proportional to 524,724.48, 787,008.29 and 145,605.30

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Solution

The fourth proportional to 524,724.48, 787,008.29 and 145,605.30 is: 218,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,724.48 : 787,008.29 = 145,605.30 : x
  2. Step 2: Convert to fraction form
    524,724.48/787,008.29 = 145,605.30/x
  3. Step 3: Cross multiply
    524,724.48x = 787,008.29 × 145,605.30
  4. Step 4: Simplify right side
    524,724.48x = 114,592,574,488.63
  5. Step 5: Solve for x
    x = 114,592,574,488.63/524,724.48
  6. Step 6: Final answer
    x = 218,386.18

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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.