Home / 690,773.48-1,036,271.03-291,473.07

Finding the Fourth Proportional to 690,773.48, 1,036,271.03 and 291,473.07

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Solution

The fourth proportional to 690,773.48, 1,036,271.03 and 291,473.07 is: 437,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,773.48 : 1,036,271.03 = 291,473.07 : x
  2. Step 2: Convert to fraction form
    690,773.48/1,036,271.03 = 291,473.07/x
  3. Step 3: Cross multiply
    690,773.48x = 1,036,271.03 × 291,473.07
  4. Step 4: Simplify right side
    690,773.48x = 302,045,097,008.80
  5. Step 5: Solve for x
    x = 302,045,097,008.80/690,773.48
  6. Step 6: Final answer
    x = 437,256.36

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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.