Home / 912,926.57-1,369,461.15-305,717.18

Finding the Fourth Proportional to 912,926.57, 1,369,461.15 and 305,717.18

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Solution

The fourth proportional to 912,926.57, 1,369,461.15 and 305,717.18 is: 458,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,926.57 : 1,369,461.15 = 305,717.18 : x
  2. Step 2: Convert to fraction form
    912,926.57/1,369,461.15 = 305,717.18/x
  3. Step 3: Cross multiply
    912,926.57x = 1,369,461.15 × 305,717.18
  4. Step 4: Simplify right side
    912,926.57x = 418,667,794,050.25
  5. Step 5: Solve for x
    x = 418,667,794,050.25/912,926.57
  6. Step 6: Final answer
    x = 458,599.64

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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.