Home / 630,307.03-945,468.78-209,582.95

Finding the Fourth Proportional to 630,307.03, 945,468.78 and 209,582.95

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Solution

The fourth proportional to 630,307.03, 945,468.78 and 209,582.95 is: 314,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,307.03 : 945,468.78 = 209,582.95 : x
  2. Step 2: Convert to fraction form
    630,307.03/945,468.78 = 209,582.95/x
  3. Step 3: Cross multiply
    630,307.03x = 945,468.78 × 209,582.95
  4. Step 4: Simplify right side
    630,307.03x = 198,154,136,045.30
  5. Step 5: Solve for x
    x = 198,154,136,045.30/630,307.03
  6. Step 6: Final answer
    x = 314,377.16

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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.