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Finding the Fourth Proportional to 636,129.72, 952,946.10 and 369,330.84

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Solution

The fourth proportional to 636,129.72, 952,946.10 and 369,330.84 is: 553,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,129.72 : 952,946.10 = 369,330.84 : x
  2. Step 2: Convert to fraction form
    636,129.72/952,946.10 = 369,330.84/x
  3. Step 3: Cross multiply
    636,129.72x = 952,946.10 × 369,330.84
  4. Step 4: Simplify right side
    636,129.72x = 351,952,383,587.72
  5. Step 5: Solve for x
    x = 351,952,383,587.72/636,129.72
  6. Step 6: Final answer
    x = 553,271.40

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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.