Home / 540,948.74-811,889.67-208,758.02

Finding the Fourth Proportional to 540,948.74, 811,889.67 and 208,758.02

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Solution

The fourth proportional to 540,948.74, 811,889.67 and 208,758.02 is: 313,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,948.74 : 811,889.67 = 208,758.02 : x
  2. Step 2: Convert to fraction form
    540,948.74/811,889.67 = 208,758.02/x
  3. Step 3: Cross multiply
    540,948.74x = 811,889.67 × 208,758.02
  4. Step 4: Simplify right side
    540,948.74x = 169,488,479,967.65
  5. Step 5: Solve for x
    x = 169,488,479,967.65/540,948.74
  6. Step 6: Final answer
    x = 313,317.08

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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.