Home / 868,125.83-1,197,985.82-480,925.37

Finding the Fourth Proportional to 868,125.83, 1,197,985.82 and 480,925.37

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Solution

The fourth proportional to 868,125.83, 1,197,985.82 and 480,925.37 is: 663,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,125.83 : 1,197,985.82 = 480,925.37 : x
  2. Step 2: Convert to fraction form
    868,125.83/1,197,985.82 = 480,925.37/x
  3. Step 3: Cross multiply
    868,125.83x = 1,197,985.82 × 480,925.37
  4. Step 4: Simplify right side
    868,125.83x = 576,141,774,328.59
  5. Step 5: Solve for x
    x = 576,141,774,328.59/868,125.83
  6. Step 6: Final answer
    x = 663,661.60

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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.