Home / 856,985.10-1,284,602.85-501,816.30

Finding the Fourth Proportional to 856,985.10, 1,284,602.85 and 501,816.30

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Solution

The fourth proportional to 856,985.10, 1,284,602.85 and 501,816.30 is: 752,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,985.10 : 1,284,602.85 = 501,816.30 : x
  2. Step 2: Convert to fraction form
    856,985.10/1,284,602.85 = 501,816.30/x
  3. Step 3: Cross multiply
    856,985.10x = 1,284,602.85 × 501,816.30
  4. Step 4: Simplify right side
    856,985.10x = 644,634,649,156.46
  5. Step 5: Solve for x
    x = 644,634,649,156.46/856,985.10
  6. Step 6: Final answer
    x = 752,212.20

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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.