Home / 841,176.96-1,160,722.08-478,646.88

Finding the Fourth Proportional to 841,176.96, 1,160,722.08 and 478,646.88

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Solution

The fourth proportional to 841,176.96, 1,160,722.08 and 478,646.88 is: 660,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,176.96 : 1,160,722.08 = 478,646.88 : x
  2. Step 2: Convert to fraction form
    841,176.96/1,160,722.08 = 478,646.88/x
  3. Step 3: Cross multiply
    841,176.96x = 1,160,722.08 × 478,646.88
  4. Step 4: Simplify right side
    841,176.96x = 555,576,002,139.11
  5. Step 5: Solve for x
    x = 555,576,002,139.11/841,176.96
  6. Step 6: Final answer
    x = 660,474.58

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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.