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Finding the Fourth Proportional to 504,871.10, 756,612 and 216,337.34

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Solution

The fourth proportional to 504,871.10, 756,612 and 216,337.34 is: 324,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,871.10 : 756,612 = 216,337.34 : x
  2. Step 2: Convert to fraction form
    504,871.10/756,612 = 216,337.34/x
  3. Step 3: Cross multiply
    504,871.10x = 756,612 × 216,337.34
  4. Step 4: Simplify right side
    504,871.10x = 163,683,427,492.08
  5. Step 5: Solve for x
    x = 163,683,427,492.08/504,871.10
  6. Step 6: Final answer
    x = 324,208.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.