Home / 487,445.10-730,130.85-404,501.10

Finding the Fourth Proportional to 487,445.10, 730,130.85 and 404,501.10

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Solution

The fourth proportional to 487,445.10, 730,130.85 and 404,501.10 is: 605,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,445.10 : 730,130.85 = 404,501.10 : x
  2. Step 2: Convert to fraction form
    487,445.10/730,130.85 = 404,501.10/x
  3. Step 3: Cross multiply
    487,445.10x = 730,130.85 × 404,501.10
  4. Step 4: Simplify right side
    487,445.10x = 295,338,731,968.94
  5. Step 5: Solve for x
    x = 295,338,731,968.94/487,445.10
  6. Step 6: Final answer
    x = 605,891.27

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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.