Home / 745,823.08-1,029,237.60-406,284.04

Finding the Fourth Proportional to 745,823.08, 1,029,237.60 and 406,284.04

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Solution

The fourth proportional to 745,823.08, 1,029,237.60 and 406,284.04 is: 560,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,823.08 : 1,029,237.60 = 406,284.04 : x
  2. Step 2: Convert to fraction form
    745,823.08/1,029,237.60 = 406,284.04/x
  3. Step 3: Cross multiply
    745,823.08x = 1,029,237.60 × 406,284.04
  4. Step 4: Simplify right side
    745,823.08x = 418,162,810,247.90
  5. Step 5: Solve for x
    x = 418,162,810,247.90/745,823.08
  6. Step 6: Final answer
    x = 560,672.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.