Home / 964,885.16-1,445,500.89-644,069.69

Finding the Fourth Proportional to 964,885.16, 1,445,500.89 and 644,069.69

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Solution

The fourth proportional to 964,885.16, 1,445,500.89 and 644,069.69 is: 964,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,885.16 : 1,445,500.89 = 644,069.69 : x
  2. Step 2: Convert to fraction form
    964,885.16/1,445,500.89 = 644,069.69/x
  3. Step 3: Cross multiply
    964,885.16x = 1,445,500.89 × 644,069.69
  4. Step 4: Simplify right side
    964,885.16x = 931,003,310,117.02
  5. Step 5: Solve for x
    x = 931,003,310,117.02/964,885.16
  6. Step 6: Final answer
    x = 964,885.10

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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.