Home / 900,662.48-1,242,710.88-538,015.52

Finding the Fourth Proportional to 900,662.48, 1,242,710.88 and 538,015.52

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Solution

The fourth proportional to 900,662.48, 1,242,710.88 and 538,015.52 is: 742,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,662.48 : 1,242,710.88 = 538,015.52 : x
  2. Step 2: Convert to fraction form
    900,662.48/1,242,710.88 = 538,015.52/x
  3. Step 3: Cross multiply
    900,662.48x = 1,242,710.88 × 538,015.52
  4. Step 4: Simplify right side
    900,662.48x = 668,597,740,312.86
  5. Step 5: Solve for x
    x = 668,597,740,312.86/900,662.48
  6. Step 6: Final answer
    x = 742,339.95

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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.