Home / 707,748.28-1,061,615.94-286,924.12

Finding the Fourth Proportional to 707,748.28, 1,061,615.94 and 286,924.12

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Solution

The fourth proportional to 707,748.28, 1,061,615.94 and 286,924.12 is: 430,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,748.28 : 1,061,615.94 = 286,924.12 : x
  2. Step 2: Convert to fraction form
    707,748.28/1,061,615.94 = 286,924.12/x
  3. Step 3: Cross multiply
    707,748.28x = 1,061,615.94 × 286,924.12
  4. Step 4: Simplify right side
    707,748.28x = 304,603,219,362.47
  5. Step 5: Solve for x
    x = 304,603,219,362.47/707,748.28
  6. Step 6: Final answer
    x = 430,383.55

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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.