Home / 778,271.16-1,167,502.32-266,021.04

Finding the Fourth Proportional to 778,271.16, 1,167,502.32 and 266,021.04

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Solution

The fourth proportional to 778,271.16, 1,167,502.32 and 266,021.04 is: 399,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,271.16 : 1,167,502.32 = 266,021.04 : x
  2. Step 2: Convert to fraction form
    778,271.16/1,167,502.32 = 266,021.04/x
  3. Step 3: Cross multiply
    778,271.16x = 1,167,502.32 × 266,021.04
  4. Step 4: Simplify right side
    778,271.16x = 310,580,181,368.81
  5. Step 5: Solve for x
    x = 310,580,181,368.81/778,271.16
  6. Step 6: Final answer
    x = 399,064.23

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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.