Home / 738,152.92-1,018,651.04-398,621.17

Finding the Fourth Proportional to 738,152.92, 1,018,651.04 and 398,621.17

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Solution

The fourth proportional to 738,152.92, 1,018,651.04 and 398,621.17 is: 550,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,152.92 : 1,018,651.04 = 398,621.17 : x
  2. Step 2: Convert to fraction form
    738,152.92/1,018,651.04 = 398,621.17/x
  3. Step 3: Cross multiply
    738,152.92x = 1,018,651.04 × 398,621.17
  4. Step 4: Simplify right side
    738,152.92x = 406,055,869,386.52
  5. Step 5: Solve for x
    x = 406,055,869,386.52/738,152.92
  6. Step 6: Final answer
    x = 550,097.22

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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.