Home / 749,699.92-1,124,424.60-328,862.80

Finding the Fourth Proportional to 749,699.92, 1,124,424.60 and 328,862.80

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Solution

The fourth proportional to 749,699.92, 1,124,424.60 and 328,862.80 is: 493,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,699.92 : 1,124,424.60 = 328,862.80 : x
  2. Step 2: Convert to fraction form
    749,699.92/1,124,424.60 = 328,862.80/x
  3. Step 3: Cross multiply
    749,699.92x = 1,124,424.60 × 328,862.80
  4. Step 4: Simplify right side
    749,699.92x = 369,781,422,344.88
  5. Step 5: Solve for x
    x = 369,781,422,344.88/749,699.92
  6. Step 6: Final answer
    x = 493,239.24

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1.5x scale

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.