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Finding the Fourth Proportional to 662,994.80, 914,901 and 376,477.04

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Solution

The fourth proportional to 662,994.80, 914,901 and 376,477.04 is: 519,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,994.80 : 914,901 = 376,477.04 : x
  2. Step 2: Convert to fraction form
    662,994.80/914,901 = 376,477.04/x
  3. Step 3: Cross multiply
    662,994.80x = 914,901 × 376,477.04
  4. Step 4: Simplify right side
    662,994.80x = 344,439,220,373.04
  5. Step 5: Solve for x
    x = 344,439,220,373.04/662,994.80
  6. Step 6: Final answer
    x = 519,520.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.