Home / 876,009.80-1,314,014.70-698,862.80

Finding the Fourth Proportional to 876,009.80, 1,314,014.70 and 698,862.80

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Solution

The fourth proportional to 876,009.80, 1,314,014.70 and 698,862.80 is: 1,048,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,009.80 : 1,314,014.70 = 698,862.80 : x
  2. Step 2: Convert to fraction form
    876,009.80/1,314,014.70 = 698,862.80/x
  3. Step 3: Cross multiply
    876,009.80x = 1,314,014.70 × 698,862.80
  4. Step 4: Simplify right side
    876,009.80x = 918,315,992,483.16
  5. Step 5: Solve for x
    x = 918,315,992,483.16/876,009.80
  6. Step 6: Final answer
    x = 1,048,294.20

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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.