Home / 559,916.89-772,652.01-318,165.91

Finding the Fourth Proportional to 559,916.89, 772,652.01 and 318,165.91

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Solution

The fourth proportional to 559,916.89, 772,652.01 and 318,165.91 is: 439,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,916.89 : 772,652.01 = 318,165.91 : x
  2. Step 2: Convert to fraction form
    559,916.89/772,652.01 = 318,165.91/x
  3. Step 3: Cross multiply
    559,916.89x = 772,652.01 × 318,165.91
  4. Step 4: Simplify right side
    559,916.89x = 245,831,529,136.47
  5. Step 5: Solve for x
    x = 245,831,529,136.47/559,916.89
  6. Step 6: Final answer
    x = 439,050.04

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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.