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Finding the Fourth Proportional to 662,008.80, 992,235.60 and 306,271.38

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Solution

The fourth proportional to 662,008.80, 992,235.60 and 306,271.38 is: 459,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,008.80 : 992,235.60 = 306,271.38 : x
  2. Step 2: Convert to fraction form
    662,008.80/992,235.60 = 306,271.38/x
  3. Step 3: Cross multiply
    662,008.80x = 992,235.60 × 306,271.38
  4. Step 4: Simplify right side
    662,008.80x = 303,893,366,497.13
  5. Step 5: Solve for x
    x = 303,893,366,497.13/662,008.80
  6. Step 6: Final answer
    x = 459,047.32

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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.