Home / 779,918.40-1,169,877.60-360,014.40

Finding the Fourth Proportional to 779,918.40, 1,169,877.60 and 360,014.40

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Solution

The fourth proportional to 779,918.40, 1,169,877.60 and 360,014.40 is: 540,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,918.40 : 1,169,877.60 = 360,014.40 : x
  2. Step 2: Convert to fraction form
    779,918.40/1,169,877.60 = 360,014.40/x
  3. Step 3: Cross multiply
    779,918.40x = 1,169,877.60 × 360,014.40
  4. Step 4: Simplify right side
    779,918.40x = 421,172,782,237.44
  5. Step 5: Solve for x
    x = 421,172,782,237.44/779,918.40
  6. Step 6: Final answer
    x = 540,021.60

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Double scale
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Similar ratio
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1.5x scale

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.