Home / 487,965.02-673,412.77-270,173.69

Finding the Fourth Proportional to 487,965.02, 673,412.77 and 270,173.69

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Solution

The fourth proportional to 487,965.02, 673,412.77 and 270,173.69 is: 372,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,965.02 : 673,412.77 = 270,173.69 : x
  2. Step 2: Convert to fraction form
    487,965.02/673,412.77 = 270,173.69/x
  3. Step 3: Cross multiply
    487,965.02x = 673,412.77 × 270,173.69
  4. Step 4: Simplify right side
    487,965.02x = 181,938,412,964.02
  5. Step 5: Solve for x
    x = 181,938,412,964.02/487,965.02
  6. Step 6: Final answer
    x = 372,851.35

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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.