Home / 926,846.29-1,390,419.44-286,999.65

Finding the Fourth Proportional to 926,846.29, 1,390,419.44 and 286,999.65

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Solution

The fourth proportional to 926,846.29, 1,390,419.44 and 286,999.65 is: 430,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,846.29 : 1,390,419.44 = 286,999.65 : x
  2. Step 2: Convert to fraction form
    926,846.29/1,390,419.44 = 286,999.65/x
  3. Step 3: Cross multiply
    926,846.29x = 1,390,419.44 × 286,999.65
  4. Step 4: Simplify right side
    926,846.29x = 399,049,891,198.20
  5. Step 5: Solve for x
    x = 399,049,891,198.20/926,846.29
  6. Step 6: Final answer
    x = 430,545.92

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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.