Home / 914,220.66-1,261,589.66-500,750.86

Finding the Fourth Proportional to 914,220.66, 1,261,589.66 and 500,750.86

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Solution

The fourth proportional to 914,220.66, 1,261,589.66 and 500,750.86 is: 691,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,220.66 : 1,261,589.66 = 500,750.86 : x
  2. Step 2: Convert to fraction form
    914,220.66/1,261,589.66 = 500,750.86/x
  3. Step 3: Cross multiply
    914,220.66x = 1,261,589.66 × 500,750.86
  4. Step 4: Simplify right side
    914,220.66x = 631,742,107,212.11
  5. Step 5: Solve for x
    x = 631,742,107,212.11/914,220.66
  6. Step 6: Final answer
    x = 691,017.10

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1.5x scale

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.