Home / 779,908.77-1,076,223.51-453,192.84

Finding the Fourth Proportional to 779,908.77, 1,076,223.51 and 453,192.84

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Solution

The fourth proportional to 779,908.77, 1,076,223.51 and 453,192.84 is: 625,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,908.77 : 1,076,223.51 = 453,192.84 : x
  2. Step 2: Convert to fraction form
    779,908.77/1,076,223.51 = 453,192.84/x
  3. Step 3: Cross multiply
    779,908.77x = 1,076,223.51 × 453,192.84
  4. Step 4: Simplify right side
    779,908.77x = 487,736,788,971.67
  5. Step 5: Solve for x
    x = 487,736,788,971.67/779,908.77
  6. Step 6: Final answer
    x = 625,376.72

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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.