Home / 977,795.20-1,466,619.90-409,029.40

Finding the Fourth Proportional to 977,795.20, 1,466,619.90 and 409,029.40

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Solution

The fourth proportional to 977,795.20, 1,466,619.90 and 409,029.40 is: 613,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,795.20 : 1,466,619.90 = 409,029.40 : x
  2. Step 2: Convert to fraction form
    977,795.20/1,466,619.90 = 409,029.40/x
  3. Step 3: Cross multiply
    977,795.20x = 1,466,619.90 × 409,029.40
  4. Step 4: Simplify right side
    977,795.20x = 599,890,657,725.06
  5. Step 5: Solve for x
    x = 599,890,657,725.06/977,795.20
  6. Step 6: Final answer
    x = 613,513.60

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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.