Home / 700,647.04-966,964.28-428,894.52

Finding the Fourth Proportional to 700,647.04, 966,964.28 and 428,894.52

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Solution

The fourth proportional to 700,647.04, 966,964.28 and 428,894.52 is: 591,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,647.04 : 966,964.28 = 428,894.52 : x
  2. Step 2: Convert to fraction form
    700,647.04/966,964.28 = 428,894.52/x
  3. Step 3: Cross multiply
    700,647.04x = 966,964.28 × 428,894.52
  4. Step 4: Simplify right side
    700,647.04x = 414,725,680,727.75
  5. Step 5: Solve for x
    x = 414,725,680,727.75/700,647.04
  6. Step 6: Final answer
    x = 591,918.12

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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.