Home / 760,348.84-1,140,910.18-475,990.78

Finding the Fourth Proportional to 760,348.84, 1,140,910.18 and 475,990.78

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Solution

The fourth proportional to 760,348.84, 1,140,910.18 and 475,990.78 is: 714,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,348.84 : 1,140,910.18 = 475,990.78 : x
  2. Step 2: Convert to fraction form
    760,348.84/1,140,910.18 = 475,990.78/x
  3. Step 3: Cross multiply
    760,348.84x = 1,140,910.18 × 475,990.78
  4. Step 4: Simplify right side
    760,348.84x = 543,062,726,488.14
  5. Step 5: Solve for x
    x = 543,062,726,488.14/760,348.84
  6. Step 6: Final answer
    x = 714,228.39

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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.