Home / 577,830.90-867,005.55-262,125.30

Finding the Fourth Proportional to 577,830.90, 867,005.55 and 262,125.30

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Solution

The fourth proportional to 577,830.90, 867,005.55 and 262,125.30 is: 393,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,830.90 : 867,005.55 = 262,125.30 : x
  2. Step 2: Convert to fraction form
    577,830.90/867,005.55 = 262,125.30/x
  3. Step 3: Cross multiply
    577,830.90x = 867,005.55 × 262,125.30
  4. Step 4: Simplify right side
    577,830.90x = 227,264,089,895.42
  5. Step 5: Solve for x
    x = 227,264,089,895.42/577,830.90
  6. Step 6: Final answer
    x = 393,305.53

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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.