Home / 739,039.79-1,107,821.58-637,426.31

Finding the Fourth Proportional to 739,039.79, 1,107,821.58 and 637,426.31

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Solution

The fourth proportional to 739,039.79, 1,107,821.58 and 637,426.31 is: 955,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,039.79 : 1,107,821.58 = 637,426.31 : x
  2. Step 2: Convert to fraction form
    739,039.79/1,107,821.58 = 637,426.31/x
  3. Step 3: Cross multiply
    739,039.79x = 1,107,821.58 × 637,426.31
  4. Step 4: Simplify right side
    739,039.79x = 706,154,613,948.31
  5. Step 5: Solve for x
    x = 706,154,613,948.31/739,039.79
  6. Step 6: Final answer
    x = 955,502.83

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1.5x scale

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.