Home / 655,746.69-904,932.33-380,158.29

Finding the Fourth Proportional to 655,746.69, 904,932.33 and 380,158.29

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Solution

The fourth proportional to 655,746.69, 904,932.33 and 380,158.29 is: 524,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,746.69 : 904,932.33 = 380,158.29 : x
  2. Step 2: Convert to fraction form
    655,746.69/904,932.33 = 380,158.29/x
  3. Step 3: Cross multiply
    655,746.69x = 904,932.33 × 380,158.29
  4. Step 4: Simplify right side
    655,746.69x = 344,017,527,138.52
  5. Step 5: Solve for x
    x = 344,017,527,138.52/655,746.69
  6. Step 6: Final answer
    x = 524,619.54

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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.