Home / 712,872.23-1,069,082.28-232,991.51

Finding the Fourth Proportional to 712,872.23, 1,069,082.28 and 232,991.51

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Solution

The fourth proportional to 712,872.23, 1,069,082.28 and 232,991.51 is: 349,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,872.23 : 1,069,082.28 = 232,991.51 : x
  2. Step 2: Convert to fraction form
    712,872.23/1,069,082.28 = 232,991.51/x
  3. Step 3: Cross multiply
    712,872.23x = 1,069,082.28 × 232,991.51
  4. Step 4: Simplify right side
    712,872.23x = 249,087,089,386.03
  5. Step 5: Solve for x
    x = 249,087,089,386.03/712,872.23
  6. Step 6: Final answer
    x = 349,413.37

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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.