Home / 986,922.90-1,480,162.92-453,931.86

Finding the Fourth Proportional to 986,922.90, 1,480,162.92 and 453,931.86

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Solution

The fourth proportional to 986,922.90, 1,480,162.92 and 453,931.86 is: 680,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,922.90 : 1,480,162.92 = 453,931.86 : x
  2. Step 2: Convert to fraction form
    986,922.90/1,480,162.92 = 453,931.86/x
  3. Step 3: Cross multiply
    986,922.90x = 1,480,162.92 × 453,931.86
  4. Step 4: Simplify right side
    986,922.90x = 671,893,111,227.00
  5. Step 5: Solve for x
    x = 671,893,111,227.00/986,922.90
  6. Step 6: Final answer
    x = 680,795.95

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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.