Home / 867,315.24-1,300,743-393,895.26

Finding the Fourth Proportional to 867,315.24, 1,300,743 and 393,895.26

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Solution

The fourth proportional to 867,315.24, 1,300,743 and 393,895.26 is: 590,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,315.24 : 1,300,743 = 393,895.26 : x
  2. Step 2: Convert to fraction form
    867,315.24/1,300,743 = 393,895.26/x
  3. Step 3: Cross multiply
    867,315.24x = 1,300,743 × 393,895.26
  4. Step 4: Simplify right side
    867,315.24x = 512,356,502,178.18
  5. Step 5: Solve for x
    x = 512,356,502,178.18/867,315.24
  6. Step 6: Final answer
    x = 590,738.50

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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.