Home / 779,974.04-1,076,371.29-457,689.51

Finding the Fourth Proportional to 779,974.04, 1,076,371.29 and 457,689.51

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Solution

The fourth proportional to 779,974.04, 1,076,371.29 and 457,689.51 is: 631,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,974.04 : 1,076,371.29 = 457,689.51 : x
  2. Step 2: Convert to fraction form
    779,974.04/1,076,371.29 = 457,689.51/x
  3. Step 3: Cross multiply
    779,974.04x = 1,076,371.29 × 457,689.51
  4. Step 4: Simplify right side
    779,974.04x = 492,643,848,298.17
  5. Step 5: Solve for x
    x = 492,643,848,298.17/779,974.04
  6. Step 6: Final answer
    x = 631,615.70

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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.