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Finding the Fourth Proportional to 567,480.51, 783,125.48 and 312,826.11

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Solution

The fourth proportional to 567,480.51, 783,125.48 and 312,826.11 is: 431,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,480.51 : 783,125.48 = 312,826.11 : x
  2. Step 2: Convert to fraction form
    567,480.51/783,125.48 = 312,826.11/x
  3. Step 3: Cross multiply
    567,480.51x = 783,125.48 × 312,826.11
  4. Step 4: Simplify right side
    567,480.51x = 244,982,095,986.15
  5. Step 5: Solve for x
    x = 244,982,095,986.15/567,480.51
  6. Step 6: Final answer
    x = 431,701.34

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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.