Home / 630,180.06-869,492.91-372,063.03

Finding the Fourth Proportional to 630,180.06, 869,492.91 and 372,063.03

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Solution

The fourth proportional to 630,180.06, 869,492.91 and 372,063.03 is: 513,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,180.06 : 869,492.91 = 372,063.03 : x
  2. Step 2: Convert to fraction form
    630,180.06/869,492.91 = 372,063.03/x
  3. Step 3: Cross multiply
    630,180.06x = 869,492.91 × 372,063.03
  4. Step 4: Simplify right side
    630,180.06x = 323,506,166,658.12
  5. Step 5: Solve for x
    x = 323,506,166,658.12/630,180.06
  6. Step 6: Final answer
    x = 513,355.13

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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.