Home / 487,459.35-672,681.36-269,676.22

Finding the Fourth Proportional to 487,459.35, 672,681.36 and 269,676.22

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Solution

The fourth proportional to 487,459.35, 672,681.36 and 269,676.22 is: 372,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,459.35 : 672,681.36 = 269,676.22 : x
  2. Step 2: Convert to fraction form
    487,459.35/672,681.36 = 269,676.22/x
  3. Step 3: Cross multiply
    487,459.35x = 672,681.36 × 269,676.22
  4. Step 4: Simplify right side
    487,459.35x = 181,406,164,937.53
  5. Step 5: Solve for x
    x = 181,406,164,937.53/487,459.35
  6. Step 6: Final answer
    x = 372,146.24

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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.