Home / 749,698.92-1,124,423.10-328,861.80

Finding the Fourth Proportional to 749,698.92, 1,124,423.10 and 328,861.80

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Solution

The fourth proportional to 749,698.92, 1,124,423.10 and 328,861.80 is: 493,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,698.92 : 1,124,423.10 = 328,861.80 : x
  2. Step 2: Convert to fraction form
    749,698.92/1,124,423.10 = 328,861.80/x
  3. Step 3: Cross multiply
    749,698.92x = 1,124,423.10 × 328,861.80
  4. Step 4: Simplify right side
    749,698.92x = 369,779,804,627.58
  5. Step 5: Solve for x
    x = 369,779,804,627.58/749,698.92
  6. Step 6: Final answer
    x = 493,237.74

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Double scale
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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.