Home / 856,712.07-1,182,269.70-474,745.23

Finding the Fourth Proportional to 856,712.07, 1,182,269.70 and 474,745.23

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Solution

The fourth proportional to 856,712.07, 1,182,269.70 and 474,745.23 is: 655,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,712.07 : 1,182,269.70 = 474,745.23 : x
  2. Step 2: Convert to fraction form
    856,712.07/1,182,269.70 = 474,745.23/x
  3. Step 3: Cross multiply
    856,712.07x = 1,182,269.70 × 474,745.23
  4. Step 4: Simplify right side
    856,712.07x = 561,276,900,648.53
  5. Step 5: Solve for x
    x = 561,276,900,648.53/856,712.07
  6. Step 6: Final answer
    x = 655,152.32

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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.