Home / 977,015.20-1,465,004.40-345,949.60

Finding the Fourth Proportional to 977,015.20, 1,465,004.40 and 345,949.60

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Solution

The fourth proportional to 977,015.20, 1,465,004.40 and 345,949.60 is: 518,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,015.20 : 1,465,004.40 = 345,949.60 : x
  2. Step 2: Convert to fraction form
    977,015.20/1,465,004.40 = 345,949.60/x
  3. Step 3: Cross multiply
    977,015.20x = 1,465,004.40 × 345,949.60
  4. Step 4: Simplify right side
    977,015.20x = 506,817,686,178.24
  5. Step 5: Solve for x
    x = 506,817,686,178.24/977,015.20
  6. Step 6: Final answer
    x = 518,740.84

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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.