Home / 767,843.20-1,151,764.80-710,106.40

Finding the Fourth Proportional to 767,843.20, 1,151,764.80 and 710,106.40

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Solution

The fourth proportional to 767,843.20, 1,151,764.80 and 710,106.40 is: 1,065,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,843.20 : 1,151,764.80 = 710,106.40 : x
  2. Step 2: Convert to fraction form
    767,843.20/1,151,764.80 = 710,106.40/x
  3. Step 3: Cross multiply
    767,843.20x = 1,151,764.80 × 710,106.40
  4. Step 4: Simplify right side
    767,843.20x = 817,875,555,774.72
  5. Step 5: Solve for x
    x = 817,875,555,774.72/767,843.20
  6. Step 6: Final answer
    x = 1,065,159.60

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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.