Home / 672,731.48-928,376.70-366,805.36

Finding the Fourth Proportional to 672,731.48, 928,376.70 and 366,805.36

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Solution

The fourth proportional to 672,731.48, 928,376.70 and 366,805.36 is: 506,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,731.48 : 928,376.70 = 366,805.36 : x
  2. Step 2: Convert to fraction form
    672,731.48/928,376.70 = 366,805.36/x
  3. Step 3: Cross multiply
    672,731.48x = 928,376.70 × 366,805.36
  4. Step 4: Simplify right side
    672,731.48x = 340,533,549,659.11
  5. Step 5: Solve for x
    x = 340,533,549,659.11/672,731.48
  6. Step 6: Final answer
    x = 506,195.35

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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.