Home / 620,248.02-855,962.94-348,363.81

Finding the Fourth Proportional to 620,248.02, 855,962.94 and 348,363.81

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Solution

The fourth proportional to 620,248.02, 855,962.94 and 348,363.81 is: 480,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,248.02 : 855,962.94 = 348,363.81 : x
  2. Step 2: Convert to fraction form
    620,248.02/855,962.94 = 348,363.81/x
  3. Step 3: Cross multiply
    620,248.02x = 855,962.94 × 348,363.81
  4. Step 4: Simplify right side
    620,248.02x = 298,186,510,997.20
  5. Step 5: Solve for x
    x = 298,186,510,997.20/620,248.02
  6. Step 6: Final answer
    x = 480,753.67

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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.