Home / 464,929.90-697,459.65-198,688.30

Finding the Fourth Proportional to 464,929.90, 697,459.65 and 198,688.30

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Solution

The fourth proportional to 464,929.90, 697,459.65 and 198,688.30 is: 298,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,929.90 : 697,459.65 = 198,688.30 : x
  2. Step 2: Convert to fraction form
    464,929.90/697,459.65 = 198,688.30/x
  3. Step 3: Cross multiply
    464,929.90x = 697,459.65 × 198,688.30
  4. Step 4: Simplify right side
    464,929.90x = 138,577,072,177.10
  5. Step 5: Solve for x
    x = 138,577,072,177.10/464,929.90
  6. Step 6: Final answer
    x = 298,060.14

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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.