Home / 819,145.02-1,130,400.86-475,042.44

Finding the Fourth Proportional to 819,145.02, 1,130,400.86 and 475,042.44

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Solution

The fourth proportional to 819,145.02, 1,130,400.86 and 475,042.44 is: 655,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,145.02 : 1,130,400.86 = 475,042.44 : x
  2. Step 2: Convert to fraction form
    819,145.02/1,130,400.86 = 475,042.44/x
  3. Step 3: Cross multiply
    819,145.02x = 1,130,400.86 × 475,042.44
  4. Step 4: Simplify right side
    819,145.02x = 536,988,383,900.11
  5. Step 5: Solve for x
    x = 536,988,383,900.11/819,145.02
  6. Step 6: Final answer
    x = 655,547.39

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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.