Home / 887,712.80-1,331,569.20-604,277.60

Finding the Fourth Proportional to 887,712.80, 1,331,569.20 and 604,277.60

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Solution

The fourth proportional to 887,712.80, 1,331,569.20 and 604,277.60 is: 906,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,712.80 : 1,331,569.20 = 604,277.60 : x
  2. Step 2: Convert to fraction form
    887,712.80/1,331,569.20 = 604,277.60/x
  3. Step 3: Cross multiply
    887,712.80x = 1,331,569.20 × 604,277.60
  4. Step 4: Simplify right side
    887,712.80x = 804,637,440,409.92
  5. Step 5: Solve for x
    x = 804,637,440,409.92/887,712.80
  6. Step 6: Final answer
    x = 906,416.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.