Home / 779,852.52-1,169,778.72-425,164.80

Finding the Fourth Proportional to 779,852.52, 1,169,778.72 and 425,164.80

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Solution

The fourth proportional to 779,852.52, 1,169,778.72 and 425,164.80 is: 637,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,852.52 : 1,169,778.72 = 425,164.80 : x
  2. Step 2: Convert to fraction form
    779,852.52/1,169,778.72 = 425,164.80/x
  3. Step 3: Cross multiply
    779,852.52x = 1,169,778.72 × 425,164.80
  4. Step 4: Simplify right side
    779,852.52x = 497,348,735,533.06
  5. Step 5: Solve for x
    x = 497,348,735,533.06/779,852.52
  6. Step 6: Final answer
    x = 637,747.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.