Home / 476,340.40-657,347.16-261,484.12

Finding the Fourth Proportional to 476,340.40, 657,347.16 and 261,484.12

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Solution

The fourth proportional to 476,340.40, 657,347.16 and 261,484.12 is: 360,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,340.40 : 657,347.16 = 261,484.12 : x
  2. Step 2: Convert to fraction form
    476,340.40/657,347.16 = 261,484.12/x
  3. Step 3: Cross multiply
    476,340.40x = 657,347.16 × 261,484.12
  4. Step 4: Simplify right side
    476,340.40x = 171,885,842,677.44
  5. Step 5: Solve for x
    x = 171,885,842,677.44/476,340.40
  6. Step 6: Final answer
    x = 360,846.66

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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.