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Finding the Fourth Proportional to 648,248.51, 894,559.49 and 357,853.83

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Solution

The fourth proportional to 648,248.51, 894,559.49 and 357,853.83 is: 493,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,248.51 : 894,559.49 = 357,853.83 : x
  2. Step 2: Convert to fraction form
    648,248.51/894,559.49 = 357,853.83/x
  3. Step 3: Cross multiply
    648,248.51x = 894,559.49 × 357,853.83
  4. Step 4: Simplify right side
    648,248.51x = 320,121,537,870.08
  5. Step 5: Solve for x
    x = 320,121,537,870.08/648,248.51
  6. Step 6: Final answer
    x = 493,825.34

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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.