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Finding the Fourth Proportional to 540,045.63, 745,290.72 and 298,326.24

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Solution

The fourth proportional to 540,045.63, 745,290.72 and 298,326.24 is: 411,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,045.63 : 745,290.72 = 298,326.24 : x
  2. Step 2: Convert to fraction form
    540,045.63/745,290.72 = 298,326.24/x
  3. Step 3: Cross multiply
    540,045.63x = 745,290.72 × 298,326.24
  4. Step 4: Simplify right side
    540,045.63x = 222,339,778,204.49
  5. Step 5: Solve for x
    x = 222,339,778,204.49/540,045.63
  6. Step 6: Final answer
    x = 411,705.54

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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.