Home / 856,822.40-1,182,345.28-474,865.28

Finding the Fourth Proportional to 856,822.40, 1,182,345.28 and 474,865.28

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Solution

The fourth proportional to 856,822.40, 1,182,345.28 and 474,865.28 is: 655,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,822.40 : 1,182,345.28 = 474,865.28 : x
  2. Step 2: Convert to fraction form
    856,822.40/1,182,345.28 = 474,865.28/x
  3. Step 3: Cross multiply
    856,822.40x = 1,182,345.28 × 474,865.28
  4. Step 4: Simplify right side
    856,822.40x = 561,454,722,443.88
  5. Step 5: Solve for x
    x = 561,454,722,443.88/856,822.40
  6. Step 6: Final answer
    x = 655,275.50

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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.