Home / 652,586.34-977,720.79-272,670.72

Finding the Fourth Proportional to 652,586.34, 977,720.79 and 272,670.72

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Solution

The fourth proportional to 652,586.34, 977,720.79 and 272,670.72 is: 408,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,586.34 : 977,720.79 = 272,670.72 : x
  2. Step 2: Convert to fraction form
    652,586.34/977,720.79 = 272,670.72/x
  3. Step 3: Cross multiply
    652,586.34x = 977,720.79 × 272,670.72
  4. Step 4: Simplify right side
    652,586.34x = 266,595,831,768.27
  5. Step 5: Solve for x
    x = 266,595,831,768.27/652,586.34
  6. Step 6: Final answer
    x = 408,521.93

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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.