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Finding the Fourth Proportional to 542,242.04, 748,273.64 and 300,528.76

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Solution

The fourth proportional to 542,242.04, 748,273.64 and 300,528.76 is: 414,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,242.04 : 748,273.64 = 300,528.76 : x
  2. Step 2: Convert to fraction form
    542,242.04/748,273.64 = 300,528.76/x
  3. Step 3: Cross multiply
    542,242.04x = 748,273.64 × 300,528.76
  4. Step 4: Simplify right side
    542,242.04x = 224,877,749,169.89
  5. Step 5: Solve for x
    x = 224,877,749,169.89/542,242.04
  6. Step 6: Final answer
    x = 414,718.40

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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.