Home / 632,885.18-873,378.36-342,496.52

Finding the Fourth Proportional to 632,885.18, 873,378.36 and 342,496.52

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Solution

The fourth proportional to 632,885.18, 873,378.36 and 342,496.52 is: 472,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,885.18 : 873,378.36 = 342,496.52 : x
  2. Step 2: Convert to fraction form
    632,885.18/873,378.36 = 342,496.52/x
  3. Step 3: Cross multiply
    632,885.18x = 873,378.36 × 342,496.52
  4. Step 4: Simplify right side
    632,885.18x = 299,129,048,943.31
  5. Step 5: Solve for x
    x = 299,129,048,943.31/632,885.18
  6. Step 6: Final answer
    x = 472,643.47

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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.