Home / 887,870.13-1,225,323.33-500,720.19

Finding the Fourth Proportional to 887,870.13, 1,225,323.33 and 500,720.19

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Solution

The fourth proportional to 887,870.13, 1,225,323.33 and 500,720.19 is: 691,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,870.13 : 1,225,323.33 = 500,720.19 : x
  2. Step 2: Convert to fraction form
    887,870.13/1,225,323.33 = 500,720.19/x
  3. Step 3: Cross multiply
    887,870.13x = 1,225,323.33 × 500,720.19
  4. Step 4: Simplify right side
    887,870.13x = 613,544,130,609.03
  5. Step 5: Solve for x
    x = 613,544,130,609.03/887,870.13
  6. Step 6: Final answer
    x = 691,029.14

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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.