Home / 526,035.54-788,770.35-272,688

Finding the Fourth Proportional to 526,035.54, 788,770.35 and 272,688

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Solution

The fourth proportional to 526,035.54, 788,770.35 and 272,688 is: 408,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,035.54 : 788,770.35 = 272,688 : x
  2. Step 2: Convert to fraction form
    526,035.54/788,770.35 = 272,688/x
  3. Step 3: Cross multiply
    526,035.54x = 788,770.35 × 272,688
  4. Step 4: Simplify right side
    526,035.54x = 215,088,209,200.80
  5. Step 5: Solve for x
    x = 215,088,209,200.80/526,035.54
  6. Step 6: Final answer
    x = 408,885.32

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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.