Home / 761,895.28-1,051,424.80-439,672.40

Finding the Fourth Proportional to 761,895.28, 1,051,424.80 and 439,672.40

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Solution

The fourth proportional to 761,895.28, 1,051,424.80 and 439,672.40 is: 606,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,895.28 : 1,051,424.80 = 439,672.40 : x
  2. Step 2: Convert to fraction form
    761,895.28/1,051,424.80 = 439,672.40/x
  3. Step 3: Cross multiply
    761,895.28x = 1,051,424.80 × 439,672.40
  4. Step 4: Simplify right side
    761,895.28x = 462,282,465,235.52
  5. Step 5: Solve for x
    x = 462,282,465,235.52/761,895.28
  6. Step 6: Final answer
    x = 606,753.29

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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.