Home / 763,769.95-1,054,035.89-424,238.20

Finding the Fourth Proportional to 763,769.95, 1,054,035.89 and 424,238.20

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Solution

The fourth proportional to 763,769.95, 1,054,035.89 and 424,238.20 is: 585,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,769.95 : 1,054,035.89 = 424,238.20 : x
  2. Step 2: Convert to fraction form
    763,769.95/1,054,035.89 = 424,238.20/x
  3. Step 3: Cross multiply
    763,769.95x = 1,054,035.89 × 424,238.20
  4. Step 4: Simplify right side
    763,769.95x = 447,162,285,543.61
  5. Step 5: Solve for x
    x = 447,162,285,543.61/763,769.95
  6. Step 6: Final answer
    x = 585,467.24

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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.