Home / 818,997.57-1,130,220.44-475,037.15

Finding the Fourth Proportional to 818,997.57, 1,130,220.44 and 475,037.15

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Solution

The fourth proportional to 818,997.57, 1,130,220.44 and 475,037.15 is: 655,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,997.57 : 1,130,220.44 = 475,037.15 : x
  2. Step 2: Convert to fraction form
    818,997.57/1,130,220.44 = 475,037.15/x
  3. Step 3: Cross multiply
    818,997.57x = 1,130,220.44 × 475,037.15
  4. Step 4: Simplify right side
    818,997.57x = 536,896,688,663.06
  5. Step 5: Solve for x
    x = 536,896,688,663.06/818,997.57
  6. Step 6: Final answer
    x = 655,553.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.