Home / 723,075.86-1,084,176.39-323,642.18

Finding the Fourth Proportional to 723,075.86, 1,084,176.39 and 323,642.18

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Solution

The fourth proportional to 723,075.86, 1,084,176.39 and 323,642.18 is: 485,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,075.86 : 1,084,176.39 = 323,642.18 : x
  2. Step 2: Convert to fraction form
    723,075.86/1,084,176.39 = 323,642.18/x
  3. Step 3: Cross multiply
    723,075.86x = 1,084,176.39 × 323,642.18
  4. Step 4: Simplify right side
    723,075.86x = 350,885,214,288.23
  5. Step 5: Solve for x
    x = 350,885,214,288.23/723,075.86
  6. Step 6: Final answer
    x = 485,267.50

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Double scale
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1.5x scale

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.