Home / 559,916.04-772,650.85-318,165.06

Finding the Fourth Proportional to 559,916.04, 772,650.85 and 318,165.06

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Solution

The fourth proportional to 559,916.04, 772,650.85 and 318,165.06 is: 439,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,916.04 : 772,650.85 = 318,165.06 : x
  2. Step 2: Convert to fraction form
    559,916.04/772,650.85 = 318,165.06/x
  3. Step 3: Cross multiply
    559,916.04x = 772,650.85 × 318,165.06
  4. Step 4: Simplify right side
    559,916.04x = 245,830,506,747.89
  5. Step 5: Solve for x
    x = 245,830,506,747.89/559,916.04
  6. Step 6: Final answer
    x = 439,048.87

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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.