Home / 461,680.89-637,130.35-289,606.10

Finding the Fourth Proportional to 461,680.89, 637,130.35 and 289,606.10

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Solution

The fourth proportional to 461,680.89, 637,130.35 and 289,606.10 is: 399,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,680.89 : 637,130.35 = 289,606.10 : x
  2. Step 2: Convert to fraction form
    461,680.89/637,130.35 = 289,606.10/x
  3. Step 3: Cross multiply
    461,680.89x = 637,130.35 × 289,606.10
  4. Step 4: Simplify right side
    461,680.89x = 184,516,835,855.14
  5. Step 5: Solve for x
    x = 184,516,835,855.14/461,680.89
  6. Step 6: Final answer
    x = 399,663.14

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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.