Home / 975,612.88-1,346,185.16-612,778.28

Finding the Fourth Proportional to 975,612.88, 1,346,185.16 and 612,778.28

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Solution

The fourth proportional to 975,612.88, 1,346,185.16 and 612,778.28 is: 845,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,612.88 : 1,346,185.16 = 612,778.28 : x
  2. Step 2: Convert to fraction form
    975,612.88/1,346,185.16 = 612,778.28/x
  3. Step 3: Cross multiply
    975,612.88x = 1,346,185.16 × 612,778.28
  4. Step 4: Simplify right side
    975,612.88x = 824,913,027,207.90
  5. Step 5: Solve for x
    x = 824,913,027,207.90/975,612.88
  6. Step 6: Final answer
    x = 845,533.15

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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.