Home / 971,741.68-1,456,242.37-458,859.58

Finding the Fourth Proportional to 971,741.68, 1,456,242.37 and 458,859.58

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Solution

The fourth proportional to 971,741.68, 1,456,242.37 and 458,859.58 is: 687,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,741.68 : 1,456,242.37 = 458,859.58 : x
  2. Step 2: Convert to fraction form
    971,741.68/1,456,242.37 = 458,859.58/x
  3. Step 3: Cross multiply
    971,741.68x = 1,456,242.37 × 458,859.58
  4. Step 4: Simplify right side
    971,741.68x = 668,210,757,488.65
  5. Step 5: Solve for x
    x = 668,210,757,488.65/971,741.68
  6. Step 6: Final answer
    x = 687,642.38

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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.