Home / 696,510.08-1,044,427.64-408,400.52

Finding the Fourth Proportional to 696,510.08, 1,044,427.64 and 408,400.52

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Solution

The fourth proportional to 696,510.08, 1,044,427.64 and 408,400.52 is: 612,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,510.08 : 1,044,427.64 = 408,400.52 : x
  2. Step 2: Convert to fraction form
    696,510.08/1,044,427.64 = 408,400.52/x
  3. Step 3: Cross multiply
    696,510.08x = 1,044,427.64 × 408,400.52
  4. Step 4: Simplify right side
    696,510.08x = 426,544,791,278.37
  5. Step 5: Solve for x
    x = 426,544,791,278.37/696,510.08
  6. Step 6: Final answer
    x = 612,402.90

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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.