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Finding the Fourth Proportional to 487,452.48, 672,853.54 and 334,995.35

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Solution

The fourth proportional to 487,452.48, 672,853.54 and 334,995.35 is: 462,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,452.48 : 672,853.54 = 334,995.35 : x
  2. Step 2: Convert to fraction form
    487,452.48/672,853.54 = 334,995.35/x
  3. Step 3: Cross multiply
    487,452.48x = 672,853.54 × 334,995.35
  4. Step 4: Simplify right side
    487,452.48x = 225,402,807,131.04
  5. Step 5: Solve for x
    x = 225,402,807,131.04/487,452.48
  6. Step 6: Final answer
    x = 462,409.81

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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.