Home / 977,114.70-1,465,601.40-303,178.80

Finding the Fourth Proportional to 977,114.70, 1,465,601.40 and 303,178.80

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Solution

The fourth proportional to 977,114.70, 1,465,601.40 and 303,178.80 is: 454,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,114.70 : 1,465,601.40 = 303,178.80 : x
  2. Step 2: Convert to fraction form
    977,114.70/1,465,601.40 = 303,178.80/x
  3. Step 3: Cross multiply
    977,114.70x = 1,465,601.40 × 303,178.80
  4. Step 4: Simplify right side
    977,114.70x = 444,339,273,730.32
  5. Step 5: Solve for x
    x = 444,339,273,730.32/977,114.70
  6. Step 6: Final answer
    x = 454,746.28

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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.