Home / 717,811.20-1,075,337.04-401,308.32

Finding the Fourth Proportional to 717,811.20, 1,075,337.04 and 401,308.32

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Solution

The fourth proportional to 717,811.20, 1,075,337.04 and 401,308.32 is: 601,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,811.20 : 1,075,337.04 = 401,308.32 : x
  2. Step 2: Convert to fraction form
    717,811.20/1,075,337.04 = 401,308.32/x
  3. Step 3: Cross multiply
    717,811.20x = 1,075,337.04 × 401,308.32
  4. Step 4: Simplify right side
    717,811.20x = 431,541,700,956.17
  5. Step 5: Solve for x
    x = 431,541,700,956.17/717,811.20
  6. Step 6: Final answer
    x = 601,191.09

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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.