Home / 745,581.14-1,028,931.10-423,321.22

Finding the Fourth Proportional to 745,581.14, 1,028,931.10 and 423,321.22

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Solution

The fourth proportional to 745,581.14, 1,028,931.10 and 423,321.22 is: 584,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,581.14 : 1,028,931.10 = 423,321.22 : x
  2. Step 2: Convert to fraction form
    745,581.14/1,028,931.10 = 423,321.22/x
  3. Step 3: Cross multiply
    745,581.14x = 1,028,931.10 × 423,321.22
  4. Step 4: Simplify right side
    745,581.14x = 435,568,368,547.94
  5. Step 5: Solve for x
    x = 435,568,368,547.94/745,581.14
  6. Step 6: Final answer
    x = 584,199.82

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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.