Home / 875,283.52-1,207,987.37-507,841.60

Finding the Fourth Proportional to 875,283.52, 1,207,987.37 and 507,841.60

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Solution

The fourth proportional to 875,283.52, 1,207,987.37 and 507,841.60 is: 700,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,283.52 : 1,207,987.37 = 507,841.60 : x
  2. Step 2: Convert to fraction form
    875,283.52/1,207,987.37 = 507,841.60/x
  3. Step 3: Cross multiply
    875,283.52x = 1,207,987.37 × 507,841.60
  4. Step 4: Simplify right side
    875,283.52x = 613,466,237,010.23
  5. Step 5: Solve for x
    x = 613,466,237,010.23/875,283.52
  6. Step 6: Final answer
    x = 700,877.17

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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.