Home / 927,877.83-1,280,410.77-545,830.80

Finding the Fourth Proportional to 927,877.83, 1,280,410.77 and 545,830.80

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Solution

The fourth proportional to 927,877.83, 1,280,410.77 and 545,830.80 is: 753,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,877.83 : 1,280,410.77 = 545,830.80 : x
  2. Step 2: Convert to fraction form
    927,877.83/1,280,410.77 = 545,830.80/x
  3. Step 3: Cross multiply
    927,877.83x = 1,280,410.77 × 545,830.80
  4. Step 4: Simplify right side
    927,877.83x = 698,887,634,917.72
  5. Step 5: Solve for x
    x = 698,887,634,917.72/927,877.83
  6. Step 6: Final answer
    x = 753,210.83

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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.