Home / 977,349.20-1,465,505.40-346,283.60

Finding the Fourth Proportional to 977,349.20, 1,465,505.40 and 346,283.60

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Solution

The fourth proportional to 977,349.20, 1,465,505.40 and 346,283.60 is: 519,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,349.20 : 1,465,505.40 = 346,283.60 : x
  2. Step 2: Convert to fraction form
    977,349.20/1,465,505.40 = 346,283.60/x
  3. Step 3: Cross multiply
    977,349.20x = 1,465,505.40 × 346,283.60
  4. Step 4: Simplify right side
    977,349.20x = 507,480,485,731.44
  5. Step 5: Solve for x
    x = 507,480,485,731.44/977,349.20
  6. Step 6: Final answer
    x = 519,241.73

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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.