Home / 735,809.20-1,101,089.40-510,110.80

Finding the Fourth Proportional to 735,809.20, 1,101,089.40 and 510,110.80

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Solution

The fourth proportional to 735,809.20, 1,101,089.40 and 510,110.80 is: 763,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,809.20 : 1,101,089.40 = 510,110.80 : x
  2. Step 2: Convert to fraction form
    735,809.20/1,101,089.40 = 510,110.80/x
  3. Step 3: Cross multiply
    735,809.20x = 1,101,089.40 × 510,110.80
  4. Step 4: Simplify right side
    735,809.20x = 561,677,594,705.52
  5. Step 5: Solve for x
    x = 561,677,594,705.52/735,809.20
  6. Step 6: Final answer
    x = 763,346.80

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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.