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Finding the Fourth Proportional to 662,904.30, 994,702.05 and 288,965.10

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Solution

The fourth proportional to 662,904.30, 994,702.05 and 288,965.10 is: 433,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,904.30 : 994,702.05 = 288,965.10 : x
  2. Step 2: Convert to fraction form
    662,904.30/994,702.05 = 288,965.10/x
  3. Step 3: Cross multiply
    662,904.30x = 994,702.05 × 288,965.10
  4. Step 4: Simplify right side
    662,904.30x = 287,434,177,348.46
  5. Step 5: Solve for x
    x = 287,434,177,348.46/662,904.30
  6. Step 6: Final answer
    x = 433,598.30

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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.