Home / 788,779.89-1,089,041.76-466,593.48

Finding the Fourth Proportional to 788,779.89, 1,089,041.76 and 466,593.48

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Solution

The fourth proportional to 788,779.89, 1,089,041.76 and 466,593.48 is: 644,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,779.89 : 1,089,041.76 = 466,593.48 : x
  2. Step 2: Convert to fraction form
    788,779.89/1,089,041.76 = 466,593.48/x
  3. Step 3: Cross multiply
    788,779.89x = 1,089,041.76 × 466,593.48
  4. Step 4: Simplify right side
    788,779.89x = 508,139,784,663.73
  5. Step 5: Solve for x
    x = 508,139,784,663.73/788,779.89
  6. Step 6: Final answer
    x = 644,209.86

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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.