Home / 771,665.76-1,064,943-432,131.04

Finding the Fourth Proportional to 771,665.76, 1,064,943 and 432,131.04

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Solution

The fourth proportional to 771,665.76, 1,064,943 and 432,131.04 is: 596,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,665.76 : 1,064,943 = 432,131.04 : x
  2. Step 2: Convert to fraction form
    771,665.76/1,064,943 = 432,131.04/x
  3. Step 3: Cross multiply
    771,665.76x = 1,064,943 × 432,131.04
  4. Step 4: Simplify right side
    771,665.76x = 460,194,926,130.72
  5. Step 5: Solve for x
    x = 460,194,926,130.72/771,665.76
  6. Step 6: Final answer
    x = 596,365.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.