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Finding the Fourth Proportional to 452,866.72, 624,639.68 and 384,411.58

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Solution

The fourth proportional to 452,866.72, 624,639.68 and 384,411.58 is: 530,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,866.72 : 624,639.68 = 384,411.58 : x
  2. Step 2: Convert to fraction form
    452,866.72/624,639.68 = 384,411.58/x
  3. Step 3: Cross multiply
    452,866.72x = 624,639.68 × 384,411.58
  4. Step 4: Simplify right side
    452,866.72x = 240,118,726,319.49
  5. Step 5: Solve for x
    x = 240,118,726,319.49/452,866.72
  6. Step 6: Final answer
    x = 530,219.41

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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.