Home / 841,070.22-1,160,666.70-478,493.25

Finding the Fourth Proportional to 841,070.22, 1,160,666.70 and 478,493.25

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Solution

The fourth proportional to 841,070.22, 1,160,666.70 and 478,493.25 is: 660,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,070.22 : 1,160,666.70 = 478,493.25 : x
  2. Step 2: Convert to fraction form
    841,070.22/1,160,666.70 = 478,493.25/x
  3. Step 3: Cross multiply
    841,070.22x = 1,160,666.70 × 478,493.25
  4. Step 4: Simplify right side
    841,070.22x = 555,371,181,449.78
  5. Step 5: Solve for x
    x = 555,371,181,449.78/841,070.22
  6. Step 6: Final answer
    x = 660,314.88

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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.