Home / 890,903.60-1,336,355.40-554,980.40

Finding the Fourth Proportional to 890,903.60, 1,336,355.40 and 554,980.40

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Solution

The fourth proportional to 890,903.60, 1,336,355.40 and 554,980.40 is: 832,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,903.60 : 1,336,355.40 = 554,980.40 : x
  2. Step 2: Convert to fraction form
    890,903.60/1,336,355.40 = 554,980.40/x
  3. Step 3: Cross multiply
    890,903.60x = 1,336,355.40 × 554,980.40
  4. Step 4: Simplify right side
    890,903.60x = 741,651,054,434.16
  5. Step 5: Solve for x
    x = 741,651,054,434.16/890,903.60
  6. Step 6: Final answer
    x = 832,470.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.