Home / 803,866.09-1,109,294.47-477,193.07

Finding the Fourth Proportional to 803,866.09, 1,109,294.47 and 477,193.07

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Solution

The fourth proportional to 803,866.09, 1,109,294.47 and 477,193.07 is: 658,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,866.09 : 1,109,294.47 = 477,193.07 : x
  2. Step 2: Convert to fraction form
    803,866.09/1,109,294.47 = 477,193.07/x
  3. Step 3: Cross multiply
    803,866.09x = 1,109,294.47 × 477,193.07
  4. Step 4: Simplify right side
    803,866.09x = 529,347,633,673.32
  5. Step 5: Solve for x
    x = 529,347,633,673.32/803,866.09
  6. Step 6: Final answer
    x = 658,502.26

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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.