Home / 900,840.10-1,243,036.77-538,187.14

Finding the Fourth Proportional to 900,840.10, 1,243,036.77 and 538,187.14

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Solution

The fourth proportional to 900,840.10, 1,243,036.77 and 538,187.14 is: 742,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,840.10 : 1,243,036.77 = 538,187.14 : x
  2. Step 2: Convert to fraction form
    900,840.10/1,243,036.77 = 538,187.14/x
  3. Step 3: Cross multiply
    900,840.10x = 1,243,036.77 × 538,187.14
  4. Step 4: Simplify right side
    900,840.10x = 668,986,404,161.14
  5. Step 5: Solve for x
    x = 668,986,404,161.14/900,840.10
  6. Step 6: Final answer
    x = 742,625.03

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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.