Home / 612,569.64-845,272.62-340,569.24

Finding the Fourth Proportional to 612,569.64, 845,272.62 and 340,569.24

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Solution

The fourth proportional to 612,569.64, 845,272.62 and 340,569.24 is: 469,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,569.64 : 845,272.62 = 340,569.24 : x
  2. Step 2: Convert to fraction form
    612,569.64/845,272.62 = 340,569.24/x
  3. Step 3: Cross multiply
    612,569.64x = 845,272.62 × 340,569.24
  4. Step 4: Simplify right side
    612,569.64x = 287,873,853,786.21
  5. Step 5: Solve for x
    x = 287,873,853,786.21/612,569.64
  6. Step 6: Final answer
    x = 469,944.70

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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.