Home / 763,804.86-1,054,021.23-424,294.62

Finding the Fourth Proportional to 763,804.86, 1,054,021.23 and 424,294.62

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Solution

The fourth proportional to 763,804.86, 1,054,021.23 and 424,294.62 is: 585,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,804.86 : 1,054,021.23 = 424,294.62 : x
  2. Step 2: Convert to fraction form
    763,804.86/1,054,021.23 = 424,294.62/x
  3. Step 3: Cross multiply
    763,804.86x = 1,054,021.23 × 424,294.62
  4. Step 4: Simplify right side
    763,804.86x = 447,215,537,254.78
  5. Step 5: Solve for x
    x = 447,215,537,254.78/763,804.86
  6. Step 6: Final answer
    x = 585,510.20

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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.