Home / 771,268.34-1,064,336.96-427,097.45

Finding the Fourth Proportional to 771,268.34, 1,064,336.96 and 427,097.45

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Solution

The fourth proportional to 771,268.34, 1,064,336.96 and 427,097.45 is: 589,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,268.34 : 1,064,336.96 = 427,097.45 : x
  2. Step 2: Convert to fraction form
    771,268.34/1,064,336.96 = 427,097.45/x
  3. Step 3: Cross multiply
    771,268.34x = 1,064,336.96 × 427,097.45
  4. Step 4: Simplify right side
    771,268.34x = 454,575,596,235.07
  5. Step 5: Solve for x
    x = 454,575,596,235.07/771,268.34
  6. Step 6: Final answer
    x = 589,387.09

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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.