Home / 977,011.20-1,464,998.40-345,945.60

Finding the Fourth Proportional to 977,011.20, 1,464,998.40 and 345,945.60

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Solution

The fourth proportional to 977,011.20, 1,464,998.40 and 345,945.60 is: 518,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,011.20 : 1,464,998.40 = 345,945.60 : x
  2. Step 2: Convert to fraction form
    977,011.20/1,464,998.40 = 345,945.60/x
  3. Step 3: Cross multiply
    977,011.20x = 1,464,998.40 × 345,945.60
  4. Step 4: Simplify right side
    977,011.20x = 506,809,750,487.04
  5. Step 5: Solve for x
    x = 506,809,750,487.04/977,011.20
  6. Step 6: Final answer
    x = 518,734.84

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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.