Home / 977,460.40-1,465,121.40-346,049.20

Finding the Fourth Proportional to 977,460.40, 1,465,121.40 and 346,049.20

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Solution

The fourth proportional to 977,460.40, 1,465,121.40 and 346,049.20 is: 518,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,460.40 : 1,465,121.40 = 346,049.20 : x
  2. Step 2: Convert to fraction form
    977,460.40/1,465,121.40 = 346,049.20/x
  3. Step 3: Cross multiply
    977,460.40x = 1,465,121.40 × 346,049.20
  4. Step 4: Simplify right side
    977,460.40x = 507,004,088,372.88
  5. Step 5: Solve for x
    x = 507,004,088,372.88/977,460.40
  6. Step 6: Final answer
    x = 518,695.27

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Double scale
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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.