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Finding the Fourth Proportional to 662,036.30, 992,276.85 and 306,298.88

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Solution

The fourth proportional to 662,036.30, 992,276.85 and 306,298.88 is: 459,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,036.30 : 992,276.85 = 306,298.88 : x
  2. Step 2: Convert to fraction form
    662,036.30/992,276.85 = 306,298.88/x
  3. Step 3: Cross multiply
    662,036.30x = 992,276.85 × 306,298.88
  4. Step 4: Simplify right side
    662,036.30x = 303,933,287,804.93
  5. Step 5: Solve for x
    x = 303,933,287,804.93/662,036.30
  6. Step 6: Final answer
    x = 459,088.55

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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.