Home / 847,712.80-1,271,569.20-710,855.20

Finding the Fourth Proportional to 847,712.80, 1,271,569.20 and 710,855.20

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Solution

The fourth proportional to 847,712.80, 1,271,569.20 and 710,855.20 is: 1,066,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,712.80 : 1,271,569.20 = 710,855.20 : x
  2. Step 2: Convert to fraction form
    847,712.80/1,271,569.20 = 710,855.20/x
  3. Step 3: Cross multiply
    847,712.80x = 1,271,569.20 × 710,855.20
  4. Step 4: Simplify right side
    847,712.80x = 903,901,577,979.84
  5. Step 5: Solve for x
    x = 903,901,577,979.84/847,712.80
  6. Step 6: Final answer
    x = 1,066,282.80

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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.