Home / 912,673.57-1,369,012.67-372,929.85

Finding the Fourth Proportional to 912,673.57, 1,369,012.67 and 372,929.85

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Solution

The fourth proportional to 912,673.57, 1,369,012.67 and 372,929.85 is: 559,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,673.57 : 1,369,012.67 = 372,929.85 : x
  2. Step 2: Convert to fraction form
    912,673.57/1,369,012.67 = 372,929.85/x
  3. Step 3: Cross multiply
    912,673.57x = 1,369,012.67 × 372,929.85
  4. Step 4: Simplify right side
    912,673.57x = 510,545,684,305.82
  5. Step 5: Solve for x
    x = 510,545,684,305.82/912,673.57
  6. Step 6: Final answer
    x = 559,395.72

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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.