Home / 942,302.66-1,300,462.02-555,121.64

Finding the Fourth Proportional to 942,302.66, 1,300,462.02 and 555,121.64

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Solution

The fourth proportional to 942,302.66, 1,300,462.02 and 555,121.64 is: 766,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,302.66 : 1,300,462.02 = 555,121.64 : x
  2. Step 2: Convert to fraction form
    942,302.66/1,300,462.02 = 555,121.64/x
  3. Step 3: Cross multiply
    942,302.66x = 1,300,462.02 × 555,121.64
  4. Step 4: Simplify right side
    942,302.66x = 721,914,609,300.11
  5. Step 5: Solve for x
    x = 721,914,609,300.11/942,302.66
  6. Step 6: Final answer
    x = 766,117.55

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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.