Home / 964,895.47-1,445,516.34-644,079.98

Finding the Fourth Proportional to 964,895.47, 1,445,516.34 and 644,079.98

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Solution

The fourth proportional to 964,895.47, 1,445,516.34 and 644,079.98 is: 964,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,895.47 : 1,445,516.34 = 644,079.98 : x
  2. Step 2: Convert to fraction form
    964,895.47/1,445,516.34 = 644,079.98/x
  3. Step 3: Cross multiply
    964,895.47x = 1,445,516.34 × 644,079.98
  4. Step 4: Simplify right side
    964,895.47x = 931,028,135,356.87
  5. Step 5: Solve for x
    x = 931,028,135,356.87/964,895.47
  6. Step 6: Final answer
    x = 964,900.52

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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.