Home / 716,869.29-1,075,306.75-290,413.18

Finding the Fourth Proportional to 716,869.29, 1,075,306.75 and 290,413.18

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Solution

The fourth proportional to 716,869.29, 1,075,306.75 and 290,413.18 is: 435,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,869.29 : 1,075,306.75 = 290,413.18 : x
  2. Step 2: Convert to fraction form
    716,869.29/1,075,306.75 = 290,413.18/x
  3. Step 3: Cross multiply
    716,869.29x = 1,075,306.75 × 290,413.18
  4. Step 4: Simplify right side
    716,869.29x = 312,283,252,742.97
  5. Step 5: Solve for x
    x = 312,283,252,742.97/716,869.29
  6. Step 6: Final answer
    x = 435,620.91

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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.