Home / 977,496.30-1,465,807.05-378,258.30

Finding the Fourth Proportional to 977,496.30, 1,465,807.05 and 378,258.30

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Solution

The fourth proportional to 977,496.30, 1,465,807.05 and 378,258.30 is: 567,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,496.30 : 1,465,807.05 = 378,258.30 : x
  2. Step 2: Convert to fraction form
    977,496.30/1,465,807.05 = 378,258.30/x
  3. Step 3: Cross multiply
    977,496.30x = 1,465,807.05 × 378,258.30
  4. Step 4: Simplify right side
    977,496.30x = 554,453,682,861.02
  5. Step 5: Solve for x
    x = 554,453,682,861.02/977,496.30
  6. Step 6: Final answer
    x = 567,218.19

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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.