Home / 690,663.24-1,036,135.80-291,303.27

Finding the Fourth Proportional to 690,663.24, 1,036,135.80 and 291,303.27

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Solution

The fourth proportional to 690,663.24, 1,036,135.80 and 291,303.27 is: 437,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,663.24 : 1,036,135.80 = 291,303.27 : x
  2. Step 2: Convert to fraction form
    690,663.24/1,036,135.80 = 291,303.27/x
  3. Step 3: Cross multiply
    690,663.24x = 1,036,135.80 × 291,303.27
  4. Step 4: Simplify right side
    690,663.24x = 301,829,746,704.07
  5. Step 5: Solve for x
    x = 301,829,746,704.07/690,663.24
  6. Step 6: Final answer
    x = 437,014.35

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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.