Home / 584,120.40-806,258.64-342,455.28

Finding the Fourth Proportional to 584,120.40, 806,258.64 and 342,455.28

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Solution

The fourth proportional to 584,120.40, 806,258.64 and 342,455.28 is: 472,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,120.40 : 806,258.64 = 342,455.28 : x
  2. Step 2: Convert to fraction form
    584,120.40/806,258.64 = 342,455.28/x
  3. Step 3: Cross multiply
    584,120.40x = 806,258.64 × 342,455.28
  4. Step 4: Simplify right side
    584,120.40x = 276,107,528,313.62
  5. Step 5: Solve for x
    x = 276,107,528,313.62/584,120.40
  6. Step 6: Final answer
    x = 472,689.41

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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.