Home / 523,882.27-723,044.51-309,075.13

Finding the Fourth Proportional to 523,882.27, 723,044.51 and 309,075.13

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Solution

The fourth proportional to 523,882.27, 723,044.51 and 309,075.13 is: 426,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,882.27 : 723,044.51 = 309,075.13 : x
  2. Step 2: Convert to fraction form
    523,882.27/723,044.51 = 309,075.13/x
  3. Step 3: Cross multiply
    523,882.27x = 723,044.51 × 309,075.13
  4. Step 4: Simplify right side
    523,882.27x = 223,475,075,924.04
  5. Step 5: Solve for x
    x = 223,475,075,924.04/523,882.27
  6. Step 6: Final answer
    x = 426,574.99

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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.