Home / 716,868.79-1,075,306-290,412.68

Finding the Fourth Proportional to 716,868.79, 1,075,306 and 290,412.68

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Solution

The fourth proportional to 716,868.79, 1,075,306 and 290,412.68 is: 435,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,868.79 : 1,075,306 = 290,412.68 : x
  2. Step 2: Convert to fraction form
    716,868.79/1,075,306 = 290,412.68/x
  3. Step 3: Cross multiply
    716,868.79x = 1,075,306 × 290,412.68
  4. Step 4: Simplify right side
    716,868.79x = 312,282,497,280.08
  5. Step 5: Solve for x
    x = 312,282,497,280.08/716,868.79
  6. Step 6: Final answer
    x = 435,620.16

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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.