Home / 672,345.72-927,837.09-370,539.72

Finding the Fourth Proportional to 672,345.72, 927,837.09 and 370,539.72

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Solution

The fourth proportional to 672,345.72, 927,837.09 and 370,539.72 is: 511,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,345.72 : 927,837.09 = 370,539.72 : x
  2. Step 2: Convert to fraction form
    672,345.72/927,837.09 = 370,539.72/x
  3. Step 3: Cross multiply
    672,345.72x = 927,837.09 × 370,539.72
  4. Step 4: Simplify right side
    672,345.72x = 343,800,495,534.22
  5. Step 5: Solve for x
    x = 343,800,495,534.22/672,345.72
  6. Step 6: Final answer
    x = 511,344.81

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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.