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Finding the Fourth Proportional to 714,422.67, 985,952.57 and 472,285.32

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Solution

The fourth proportional to 714,422.67, 985,952.57 and 472,285.32 is: 651,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,422.67 : 985,952.57 = 472,285.32 : x
  2. Step 2: Convert to fraction form
    714,422.67/985,952.57 = 472,285.32/x
  3. Step 3: Cross multiply
    714,422.67x = 985,952.57 × 472,285.32
  4. Step 4: Simplify right side
    714,422.67x = 465,650,922,665.85
  5. Step 5: Solve for x
    x = 465,650,922,665.85/714,422.67
  6. Step 6: Final answer
    x = 651,786.32

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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.