Home / 748,802.96-1,033,805.94-487,407.32

Finding the Fourth Proportional to 748,802.96, 1,033,805.94 and 487,407.32

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Solution

The fourth proportional to 748,802.96, 1,033,805.94 and 487,407.32 is: 672,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,802.96 : 1,033,805.94 = 487,407.32 : x
  2. Step 2: Convert to fraction form
    748,802.96/1,033,805.94 = 487,407.32/x
  3. Step 3: Cross multiply
    748,802.96x = 1,033,805.94 × 487,407.32
  4. Step 4: Simplify right side
    748,802.96x = 503,884,582,615.48
  5. Step 5: Solve for x
    x = 503,884,582,615.48/748,802.96
  6. Step 6: Final answer
    x = 672,920.13

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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.