Home / 841,457.46-1,262,645.45-487,163.46

Finding the Fourth Proportional to 841,457.46, 1,262,645.45 and 487,163.46

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Solution

The fourth proportional to 841,457.46, 1,262,645.45 and 487,163.46 is: 731,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,457.46 : 1,262,645.45 = 487,163.46 : x
  2. Step 2: Convert to fraction form
    841,457.46/1,262,645.45 = 487,163.46/x
  3. Step 3: Cross multiply
    841,457.46x = 1,262,645.45 × 487,163.46
  4. Step 4: Simplify right side
    841,457.46x = 615,114,726,175.26
  5. Step 5: Solve for x
    x = 615,114,726,175.26/841,457.46
  6. Step 6: Final answer
    x = 731,011.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.