Home / 977,429.80-1,465,707.30-378,191.80

Finding the Fourth Proportional to 977,429.80, 1,465,707.30 and 378,191.80

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Solution

The fourth proportional to 977,429.80, 1,465,707.30 and 378,191.80 is: 567,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,429.80 : 1,465,707.30 = 378,191.80 : x
  2. Step 2: Convert to fraction form
    977,429.80/1,465,707.30 = 378,191.80/x
  3. Step 3: Cross multiply
    977,429.80x = 1,465,707.30 × 378,191.80
  4. Step 4: Simplify right side
    977,429.80x = 554,318,482,060.14
  5. Step 5: Solve for x
    x = 554,318,482,060.14/977,429.80
  6. Step 6: Final answer
    x = 567,118.46

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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.