Home / 977,255.20-1,465,364.40-346,189.60

Finding the Fourth Proportional to 977,255.20, 1,465,364.40 and 346,189.60

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Solution

The fourth proportional to 977,255.20, 1,465,364.40 and 346,189.60 is: 519,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,255.20 : 1,465,364.40 = 346,189.60 : x
  2. Step 2: Convert to fraction form
    977,255.20/1,465,364.40 = 346,189.60/x
  3. Step 3: Cross multiply
    977,255.20x = 1,465,364.40 × 346,189.60
  4. Step 4: Simplify right side
    977,255.20x = 507,293,915,490.24
  5. Step 5: Solve for x
    x = 507,293,915,490.24/977,255.20
  6. Step 6: Final answer
    x = 519,100.76

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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.