Home / 767,355.60-1,152,415.80-557,230.80

Finding the Fourth Proportional to 767,355.60, 1,152,415.80 and 557,230.80

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Solution

The fourth proportional to 767,355.60, 1,152,415.80 and 557,230.80 is: 836,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,355.60 : 1,152,415.80 = 557,230.80 : x
  2. Step 2: Convert to fraction form
    767,355.60/1,152,415.80 = 557,230.80/x
  3. Step 3: Cross multiply
    767,355.60x = 1,152,415.80 × 557,230.80
  4. Step 4: Simplify right side
    767,355.60x = 642,161,578,166.64
  5. Step 5: Solve for x
    x = 642,161,578,166.64/767,355.60
  6. Step 6: Final answer
    x = 836,850.06

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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.