Home / 677,545.34-1,016,528.49-407,970.24

Finding the Fourth Proportional to 677,545.34, 1,016,528.49 and 407,970.24

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Solution

The fourth proportional to 677,545.34, 1,016,528.49 and 407,970.24 is: 612,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,545.34 : 1,016,528.49 = 407,970.24 : x
  2. Step 2: Convert to fraction form
    677,545.34/1,016,528.49 = 407,970.24/x
  3. Step 3: Cross multiply
    677,545.34x = 1,016,528.49 × 407,970.24
  4. Step 4: Simplify right side
    677,545.34x = 414,713,372,032.14
  5. Step 5: Solve for x
    x = 414,713,372,032.14/677,545.34
  6. Step 6: Final answer
    x = 612,082.10

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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.