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Finding the Fourth Proportional to 487,701.57, 672,927.33 and 334,683.93

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Solution

The fourth proportional to 487,701.57, 672,927.33 and 334,683.93 is: 461,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,701.57 : 672,927.33 = 334,683.93 : x
  2. Step 2: Convert to fraction form
    487,701.57/672,927.33 = 334,683.93/x
  3. Step 3: Cross multiply
    487,701.57x = 672,927.33 × 334,683.93
  4. Step 4: Simplify right side
    487,701.57x = 225,217,963,408.81
  5. Step 5: Solve for x
    x = 225,217,963,408.81/487,701.57
  6. Step 6: Final answer
    x = 461,794.62

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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.