Home / 963,407.66-1,445,144.29-457,707.65

Finding the Fourth Proportional to 963,407.66, 1,445,144.29 and 457,707.65

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Solution

The fourth proportional to 963,407.66, 1,445,144.29 and 457,707.65 is: 686,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,407.66 : 1,445,144.29 = 457,707.65 : x
  2. Step 2: Convert to fraction form
    963,407.66/1,445,144.29 = 457,707.65/x
  3. Step 3: Cross multiply
    963,407.66x = 1,445,144.29 × 457,707.65
  4. Step 4: Simplify right side
    963,407.66x = 661,453,588,516.83
  5. Step 5: Solve for x
    x = 661,453,588,516.83/963,407.66
  6. Step 6: Final answer
    x = 686,577.05

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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.