Home / 557,140.07-767,131.79-435,125.32

Finding the Fourth Proportional to 557,140.07, 767,131.79 and 435,125.32

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Solution

The fourth proportional to 557,140.07, 767,131.79 and 435,125.32 is: 599,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,140.07 : 767,131.79 = 435,125.32 : x
  2. Step 2: Convert to fraction form
    557,140.07/767,131.79 = 435,125.32/x
  3. Step 3: Cross multiply
    557,140.07x = 767,131.79 × 435,125.32
  4. Step 4: Simplify right side
    557,140.07x = 333,798,459,594.64
  5. Step 5: Solve for x
    x = 333,798,459,594.64/557,140.07
  6. Step 6: Final answer
    x = 599,128.44

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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.