Home / 977,090.40-1,465,635.60-345,922.20

Finding the Fourth Proportional to 977,090.40, 1,465,635.60 and 345,922.20

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Solution

The fourth proportional to 977,090.40, 1,465,635.60 and 345,922.20 is: 518,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,090.40 : 1,465,635.60 = 345,922.20 : x
  2. Step 2: Convert to fraction form
    977,090.40/1,465,635.60 = 345,922.20/x
  3. Step 3: Cross multiply
    977,090.40x = 1,465,635.60 × 345,922.20
  4. Step 4: Simplify right side
    977,090.40x = 506,995,891,150.32
  5. Step 5: Solve for x
    x = 506,995,891,150.32/977,090.40
  6. Step 6: Final answer
    x = 518,883.30

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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.