Home / 705,412.77-973,476.75-383,129.16

Finding the Fourth Proportional to 705,412.77, 973,476.75 and 383,129.16

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Solution

The fourth proportional to 705,412.77, 973,476.75 and 383,129.16 is: 528,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,412.77 : 973,476.75 = 383,129.16 : x
  2. Step 2: Convert to fraction form
    705,412.77/973,476.75 = 383,129.16/x
  3. Step 3: Cross multiply
    705,412.77x = 973,476.75 × 383,129.16
  4. Step 4: Simplify right side
    705,412.77x = 372,967,329,507.03
  5. Step 5: Solve for x
    x = 372,967,329,507.03/705,412.77
  6. Step 6: Final answer
    x = 528,722.11

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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.