Home / 776,278.52-1,070,963.67-572,817.81

Finding the Fourth Proportional to 776,278.52, 1,070,963.67 and 572,817.81

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Solution

The fourth proportional to 776,278.52, 1,070,963.67 and 572,817.81 is: 790,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,278.52 : 1,070,963.67 = 572,817.81 : x
  2. Step 2: Convert to fraction form
    776,278.52/1,070,963.67 = 572,817.81/x
  3. Step 3: Cross multiply
    776,278.52x = 1,070,963.67 × 572,817.81
  4. Step 4: Simplify right side
    776,278.52x = 613,467,064,038.96
  5. Step 5: Solve for x
    x = 613,467,064,038.96/776,278.52
  6. Step 6: Final answer
    x = 790,266.70

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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.