Home / 841,179.20-1,160,832.01-478,603.05

Finding the Fourth Proportional to 841,179.20, 1,160,832.01 and 478,603.05

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Solution

The fourth proportional to 841,179.20, 1,160,832.01 and 478,603.05 is: 660,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,179.20 : 1,160,832.01 = 478,603.05 : x
  2. Step 2: Convert to fraction form
    841,179.20/1,160,832.01 = 478,603.05/x
  3. Step 3: Cross multiply
    841,179.20x = 1,160,832.01 × 478,603.05
  4. Step 4: Simplify right side
    841,179.20x = 555,577,732,326.46
  5. Step 5: Solve for x
    x = 555,577,732,326.46/841,179.20
  6. Step 6: Final answer
    x = 660,474.89

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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.