Home / 977,615.88-1,466,518.09-303,516.19

Finding the Fourth Proportional to 977,615.88, 1,466,518.09 and 303,516.19

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Solution

The fourth proportional to 977,615.88, 1,466,518.09 and 303,516.19 is: 455,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,615.88 : 1,466,518.09 = 303,516.19 : x
  2. Step 2: Convert to fraction form
    977,615.88/1,466,518.09 = 303,516.19/x
  3. Step 3: Cross multiply
    977,615.88x = 1,466,518.09 × 303,516.19
  4. Step 4: Simplify right side
    977,615.88x = 445,111,983,242.88
  5. Step 5: Solve for x
    x = 445,111,983,242.88/977,615.88
  6. Step 6: Final answer
    x = 455,303.55

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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.