Home / 478,326.06-660,065.76-263,461.41

Finding the Fourth Proportional to 478,326.06, 660,065.76 and 263,461.41

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Solution

The fourth proportional to 478,326.06, 660,065.76 and 263,461.41 is: 363,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,326.06 : 660,065.76 = 263,461.41 : x
  2. Step 2: Convert to fraction form
    478,326.06/660,065.76 = 263,461.41/x
  3. Step 3: Cross multiply
    478,326.06x = 660,065.76 × 263,461.41
  4. Step 4: Simplify right side
    478,326.06x = 173,901,855,822.32
  5. Step 5: Solve for x
    x = 173,901,855,822.32/478,326.06
  6. Step 6: Final answer
    x = 363,563.41

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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.