Home / 564,923.79-779,595.48-306,800.91

Finding the Fourth Proportional to 564,923.79, 779,595.48 and 306,800.91

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Solution

The fourth proportional to 564,923.79, 779,595.48 and 306,800.91 is: 423,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,923.79 : 779,595.48 = 306,800.91 : x
  2. Step 2: Convert to fraction form
    564,923.79/779,595.48 = 306,800.91/x
  3. Step 3: Cross multiply
    564,923.79x = 779,595.48 × 306,800.91
  4. Step 4: Simplify right side
    564,923.79x = 239,180,602,695.89
  5. Step 5: Solve for x
    x = 239,180,602,695.89/564,923.79
  6. Step 6: Final answer
    x = 423,385.61

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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.