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Finding the Fourth Proportional to 402,094.80, 602,267.40 and 323,362.80

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Solution

The fourth proportional to 402,094.80, 602,267.40 and 323,362.80 is: 484,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,094.80 : 602,267.40 = 323,362.80 : x
  2. Step 2: Convert to fraction form
    402,094.80/602,267.40 = 323,362.80/x
  3. Step 3: Cross multiply
    402,094.80x = 602,267.40 × 323,362.80
  4. Step 4: Simplify right side
    402,094.80x = 194,750,872,812.72
  5. Step 5: Solve for x
    x = 194,750,872,812.72/402,094.80
  6. Step 6: Final answer
    x = 484,340.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.