Home / 935,298.48-1,290,407.40-572,343.60

Finding the Fourth Proportional to 935,298.48, 1,290,407.40 and 572,343.60

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Solution

The fourth proportional to 935,298.48, 1,290,407.40 and 572,343.60 is: 789,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,298.48 : 1,290,407.40 = 572,343.60 : x
  2. Step 2: Convert to fraction form
    935,298.48/1,290,407.40 = 572,343.60/x
  3. Step 3: Cross multiply
    935,298.48x = 1,290,407.40 × 572,343.60
  4. Step 4: Simplify right side
    935,298.48x = 738,556,416,782.64
  5. Step 5: Solve for x
    x = 738,556,416,782.64/935,298.48
  6. Step 6: Final answer
    x = 789,647.83

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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.