Home / 779,966.22-1,076,360.51-457,681.69

Finding the Fourth Proportional to 779,966.22, 1,076,360.51 and 457,681.69

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Solution

The fourth proportional to 779,966.22, 1,076,360.51 and 457,681.69 is: 631,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,966.22 : 1,076,360.51 = 457,681.69 : x
  2. Step 2: Convert to fraction form
    779,966.22/1,076,360.51 = 457,681.69/x
  3. Step 3: Cross multiply
    779,966.22x = 1,076,360.51 × 457,681.69
  4. Step 4: Simplify right side
    779,966.22x = 492,630,497,266.06
  5. Step 5: Solve for x
    x = 492,630,497,266.06/779,966.22
  6. Step 6: Final answer
    x = 631,604.91

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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.