Home / 977,352.40-1,466,028.60-303,428.35

Finding the Fourth Proportional to 977,352.40, 1,466,028.60 and 303,428.35

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Solution

The fourth proportional to 977,352.40, 1,466,028.60 and 303,428.35 is: 455,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,352.40 : 1,466,028.60 = 303,428.35 : x
  2. Step 2: Convert to fraction form
    977,352.40/1,466,028.60 = 303,428.35/x
  3. Step 3: Cross multiply
    977,352.40x = 1,466,028.60 × 303,428.35
  4. Step 4: Simplify right side
    977,352.40x = 444,834,639,150.81
  5. Step 5: Solve for x
    x = 444,834,639,150.81/977,352.40
  6. Step 6: Final answer
    x = 455,142.53

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Double scale
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Similar ratio
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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.