Home / 777,387.07-1,072,779.59-433,215.43

Finding the Fourth Proportional to 777,387.07, 1,072,779.59 and 433,215.43

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Solution

The fourth proportional to 777,387.07, 1,072,779.59 and 433,215.43 is: 597,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,387.07 : 1,072,779.59 = 433,215.43 : x
  2. Step 2: Convert to fraction form
    777,387.07/1,072,779.59 = 433,215.43/x
  3. Step 3: Cross multiply
    777,387.07x = 1,072,779.59 × 433,215.43
  4. Step 4: Simplify right side
    777,387.07x = 464,744,669,778.16
  5. Step 5: Solve for x
    x = 464,744,669,778.16/777,387.07
  6. Step 6: Final answer
    x = 597,829.17

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1.5x scale

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.