Home / 900,664.23-1,242,713.30-538,017.27

Finding the Fourth Proportional to 900,664.23, 1,242,713.30 and 538,017.27

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Solution

The fourth proportional to 900,664.23, 1,242,713.30 and 538,017.27 is: 742,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,664.23 : 1,242,713.30 = 538,017.27 : x
  2. Step 2: Convert to fraction form
    900,664.23/1,242,713.30 = 538,017.27/x
  3. Step 3: Cross multiply
    900,664.23x = 1,242,713.30 × 538,017.27
  4. Step 4: Simplify right side
    900,664.23x = 668,601,214,368.61
  5. Step 5: Solve for x
    x = 668,601,214,368.61/900,664.23
  6. Step 6: Final answer
    x = 742,342.36

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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.