Home / 900,688.87-1,242,827.88-538,035.75

Finding the Fourth Proportional to 900,688.87, 1,242,827.88 and 538,035.75

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Solution

The fourth proportional to 900,688.87, 1,242,827.88 and 538,035.75 is: 742,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,688.87 : 1,242,827.88 = 538,035.75 : x
  2. Step 2: Convert to fraction form
    900,688.87/1,242,827.88 = 538,035.75/x
  3. Step 3: Cross multiply
    900,688.87x = 1,242,827.88 × 538,035.75
  4. Step 4: Simplify right side
    900,688.87x = 668,685,824,322.57
  5. Step 5: Solve for x
    x = 668,685,824,322.57/900,688.87
  6. Step 6: Final answer
    x = 742,416.00

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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.