Home / 579,041.83-799,058.40-320,907.79

Finding the Fourth Proportional to 579,041.83, 799,058.40 and 320,907.79

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Solution

The fourth proportional to 579,041.83, 799,058.40 and 320,907.79 is: 442,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,041.83 : 799,058.40 = 320,907.79 : x
  2. Step 2: Convert to fraction form
    579,041.83/799,058.40 = 320,907.79/x
  3. Step 3: Cross multiply
    579,041.83x = 799,058.40 × 320,907.79
  4. Step 4: Simplify right side
    579,041.83x = 256,424,065,224.94
  5. Step 5: Solve for x
    x = 256,424,065,224.94/579,041.83
  6. Step 6: Final answer
    x = 442,842.04

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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.