Home / 749,384.92-1,034,144.58-409,855.60

Finding the Fourth Proportional to 749,384.92, 1,034,144.58 and 409,855.60

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Solution

The fourth proportional to 749,384.92, 1,034,144.58 and 409,855.60 is: 565,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,384.92 : 1,034,144.58 = 409,855.60 : x
  2. Step 2: Convert to fraction form
    749,384.92/1,034,144.58 = 409,855.60/x
  3. Step 3: Cross multiply
    749,384.92x = 1,034,144.58 × 409,855.60
  4. Step 4: Simplify right side
    749,384.92x = 423,849,947,322.65
  5. Step 5: Solve for x
    x = 423,849,947,322.65/749,384.92
  6. Step 6: Final answer
    x = 565,597.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.