Home / 889,057.31-1,226,918.53-486,649.31

Finding the Fourth Proportional to 889,057.31, 1,226,918.53 and 486,649.31

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Solution

The fourth proportional to 889,057.31, 1,226,918.53 and 486,649.31 is: 671,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,057.31 : 1,226,918.53 = 486,649.31 : x
  2. Step 2: Convert to fraction form
    889,057.31/1,226,918.53 = 486,649.31/x
  3. Step 3: Cross multiply
    889,057.31x = 1,226,918.53 × 486,649.31
  4. Step 4: Simplify right side
    889,057.31x = 597,079,056,050.71
  5. Step 5: Solve for x
    x = 597,079,056,050.71/889,057.31
  6. Step 6: Final answer
    x = 671,586.69

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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.