Home / 745,927.77-1,029,380.43-406,396.02

Finding the Fourth Proportional to 745,927.77, 1,029,380.43 and 406,396.02

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Solution

The fourth proportional to 745,927.77, 1,029,380.43 and 406,396.02 is: 560,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,927.77 : 1,029,380.43 = 406,396.02 : x
  2. Step 2: Convert to fraction form
    745,927.77/1,029,380.43 = 406,396.02/x
  3. Step 3: Cross multiply
    745,927.77x = 1,029,380.43 × 406,396.02
  4. Step 4: Simplify right side
    745,927.77x = 418,336,109,817.89
  5. Step 5: Solve for x
    x = 418,336,109,817.89/745,927.77
  6. Step 6: Final answer
    x = 560,826.57

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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.