Home / 761,872.71-1,051,394.58-417,707.81

Finding the Fourth Proportional to 761,872.71, 1,051,394.58 and 417,707.81

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Solution

The fourth proportional to 761,872.71, 1,051,394.58 and 417,707.81 is: 576,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,872.71 : 1,051,394.58 = 417,707.81 : x
  2. Step 2: Convert to fraction form
    761,872.71/1,051,394.58 = 417,707.81/x
  3. Step 3: Cross multiply
    761,872.71x = 1,051,394.58 × 417,707.81
  4. Step 4: Simplify right side
    761,872.71x = 439,175,730,422.14
  5. Step 5: Solve for x
    x = 439,175,730,422.14/761,872.71
  6. Step 6: Final answer
    x = 576,442.40

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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.