Home / 724,763.21-1,000,012.16-438,277.14

Finding the Fourth Proportional to 724,763.21, 1,000,012.16 and 438,277.14

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Solution

The fourth proportional to 724,763.21, 1,000,012.16 and 438,277.14 is: 604,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,763.21 : 1,000,012.16 = 438,277.14 : x
  2. Step 2: Convert to fraction form
    724,763.21/1,000,012.16 = 438,277.14/x
  3. Step 3: Cross multiply
    724,763.21x = 1,000,012.16 × 438,277.14
  4. Step 4: Simplify right side
    724,763.21x = 438,282,470,545.72
  5. Step 5: Solve for x
    x = 438,282,470,545.72/724,763.21
  6. Step 6: Final answer
    x = 604,725.06

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1.5x scale

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.