Home / 832,521.65-1,148,879.84-450,548.42

Finding the Fourth Proportional to 832,521.65, 1,148,879.84 and 450,548.42

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Solution

The fourth proportional to 832,521.65, 1,148,879.84 and 450,548.42 is: 621,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,521.65 : 1,148,879.84 = 450,548.42 : x
  2. Step 2: Convert to fraction form
    832,521.65/1,148,879.84 = 450,548.42/x
  3. Step 3: Cross multiply
    832,521.65x = 1,148,879.84 × 450,548.42
  4. Step 4: Simplify right side
    832,521.65x = 517,625,988,684.71
  5. Step 5: Solve for x
    x = 517,625,988,684.71/832,521.65
  6. Step 6: Final answer
    x = 621,756.79

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1.5x scale

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.