Home / 947,915.60-1,420,030.20-526,437.20

Finding the Fourth Proportional to 947,915.60, 1,420,030.20 and 526,437.20

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Solution

The fourth proportional to 947,915.60, 1,420,030.20 and 526,437.20 is: 788,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,915.60 : 1,420,030.20 = 526,437.20 : x
  2. Step 2: Convert to fraction form
    947,915.60/1,420,030.20 = 526,437.20/x
  3. Step 3: Cross multiply
    947,915.60x = 1,420,030.20 × 526,437.20
  4. Step 4: Simplify right side
    947,915.60x = 747,556,722,403.44
  5. Step 5: Solve for x
    x = 747,556,722,403.44/947,915.60
  6. Step 6: Final answer
    x = 788,632.16

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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.