Home / 977,959.20-1,467,376.20-347,325.60

Finding the Fourth Proportional to 977,959.20, 1,467,376.20 and 347,325.60

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Solution

The fourth proportional to 977,959.20, 1,467,376.20 and 347,325.60 is: 521,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,959.20 : 1,467,376.20 = 347,325.60 : x
  2. Step 2: Convert to fraction form
    977,959.20/1,467,376.20 = 347,325.60/x
  3. Step 3: Cross multiply
    977,959.20x = 1,467,376.20 × 347,325.60
  4. Step 4: Simplify right side
    977,959.20x = 509,657,319,090.72
  5. Step 5: Solve for x
    x = 509,657,319,090.72/977,959.20
  6. Step 6: Final answer
    x = 521,143.74

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1.5x scale

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.