Home / 885,790.80-1,327,303.80-766,904.40

Finding the Fourth Proportional to 885,790.80, 1,327,303.80 and 766,904.40

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Solution

The fourth proportional to 885,790.80, 1,327,303.80 and 766,904.40 is: 1,149,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,790.80 : 1,327,303.80 = 766,904.40 : x
  2. Step 2: Convert to fraction form
    885,790.80/1,327,303.80 = 766,904.40/x
  3. Step 3: Cross multiply
    885,790.80x = 1,327,303.80 × 766,904.40
  4. Step 4: Simplify right side
    885,790.80x = 1,017,915,124,356.72
  5. Step 5: Solve for x
    x = 1,017,915,124,356.72/885,790.80
  6. Step 6: Final answer
    x = 1,149,159.74

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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.