Home / 709,544.63-1,063,392.81-288,328.07

Finding the Fourth Proportional to 709,544.63, 1,063,392.81 and 288,328.07

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Solution

The fourth proportional to 709,544.63, 1,063,392.81 and 288,328.07 is: 432,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,544.63 : 1,063,392.81 = 288,328.07 : x
  2. Step 2: Convert to fraction form
    709,544.63/1,063,392.81 = 288,328.07/x
  3. Step 3: Cross multiply
    709,544.63x = 1,063,392.81 × 288,328.07
  4. Step 4: Simplify right side
    709,544.63x = 306,605,991,242.21
  5. Step 5: Solve for x
    x = 306,605,991,242.21/709,544.63
  6. Step 6: Final answer
    x = 432,116.57

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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.