Home / 763,803.36-1,054,019.16-424,293.12

Finding the Fourth Proportional to 763,803.36, 1,054,019.16 and 424,293.12

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Solution

The fourth proportional to 763,803.36, 1,054,019.16 and 424,293.12 is: 585,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,803.36 : 1,054,019.16 = 424,293.12 : x
  2. Step 2: Convert to fraction form
    763,803.36/1,054,019.16 = 424,293.12/x
  3. Step 3: Cross multiply
    763,803.36x = 1,054,019.16 × 424,293.12
  4. Step 4: Simplify right side
    763,803.36x = 447,213,077,936.18
  5. Step 5: Solve for x
    x = 447,213,077,936.18/763,803.36
  6. Step 6: Final answer
    x = 585,508.13

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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.