Home / 889,056.31-1,226,917.15-486,648.31

Finding the Fourth Proportional to 889,056.31, 1,226,917.15 and 486,648.31

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Solution

The fourth proportional to 889,056.31, 1,226,917.15 and 486,648.31 is: 671,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,056.31 : 1,226,917.15 = 486,648.31 : x
  2. Step 2: Convert to fraction form
    889,056.31/1,226,917.15 = 486,648.31/x
  3. Step 3: Cross multiply
    889,056.31x = 1,226,917.15 × 486,648.31
  4. Step 4: Simplify right side
    889,056.31x = 597,077,161,233.12
  5. Step 5: Solve for x
    x = 597,077,161,233.12/889,056.31
  6. Step 6: Final answer
    x = 671,585.31

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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.