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Finding the Fourth Proportional to 662,152.80, 992,451.60 and 306,415.38

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Solution

The fourth proportional to 662,152.80, 992,451.60 and 306,415.38 is: 459,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,152.80 : 992,451.60 = 306,415.38 : x
  2. Step 2: Convert to fraction form
    662,152.80/992,451.60 = 306,415.38/x
  3. Step 3: Cross multiply
    662,152.80x = 992,451.60 × 306,415.38
  4. Step 4: Simplify right side
    662,152.80x = 304,102,434,145.61
  5. Step 5: Solve for x
    x = 304,102,434,145.61/662,152.80
  6. Step 6: Final answer
    x = 459,263.23

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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.