Home / 564,920.19-779,587.20-306,795.33

Finding the Fourth Proportional to 564,920.19, 779,587.20 and 306,795.33

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Solution

The fourth proportional to 564,920.19, 779,587.20 and 306,795.33 is: 423,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,920.19 : 779,587.20 = 306,795.33 : x
  2. Step 2: Convert to fraction form
    564,920.19/779,587.20 = 306,795.33/x
  3. Step 3: Cross multiply
    564,920.19x = 779,587.20 × 306,795.33
  4. Step 4: Simplify right side
    564,920.19x = 239,173,712,287.78
  5. Step 5: Solve for x
    x = 239,173,712,287.78/564,920.19
  6. Step 6: Final answer
    x = 423,376.11

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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.