Home / 707,750.28-1,061,618.94-286,926.12

Finding the Fourth Proportional to 707,750.28, 1,061,618.94 and 286,926.12

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Solution

The fourth proportional to 707,750.28, 1,061,618.94 and 286,926.12 is: 430,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,750.28 : 1,061,618.94 = 286,926.12 : x
  2. Step 2: Convert to fraction form
    707,750.28/1,061,618.94 = 286,926.12/x
  3. Step 3: Cross multiply
    707,750.28x = 1,061,618.94 × 286,926.12
  4. Step 4: Simplify right side
    707,750.28x = 304,606,203,372.71
  5. Step 5: Solve for x
    x = 304,606,203,372.71/707,750.28
  6. Step 6: Final answer
    x = 430,386.55

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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.