Home / 745,340.82-1,028,547.86-414,195.62

Finding the Fourth Proportional to 745,340.82, 1,028,547.86 and 414,195.62

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Solution

The fourth proportional to 745,340.82, 1,028,547.86 and 414,195.62 is: 571,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,340.82 : 1,028,547.86 = 414,195.62 : x
  2. Step 2: Convert to fraction form
    745,340.82/1,028,547.86 = 414,195.62/x
  3. Step 3: Cross multiply
    745,340.82x = 1,028,547.86 × 414,195.62
  4. Step 4: Simplify right side
    745,340.82x = 426,020,018,572.37
  5. Step 5: Solve for x
    x = 426,020,018,572.37/745,340.82
  6. Step 6: Final answer
    x = 571,577.47

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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.