Home / 897,255.60-1,345,421.70-266,087.40

Finding the Fourth Proportional to 897,255.60, 1,345,421.70 and 266,087.40

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Solution

The fourth proportional to 897,255.60, 1,345,421.70 and 266,087.40 is: 398,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,255.60 : 1,345,421.70 = 266,087.40 : x
  2. Step 2: Convert to fraction form
    897,255.60/1,345,421.70 = 266,087.40/x
  3. Step 3: Cross multiply
    897,255.60x = 1,345,421.70 × 266,087.40
  4. Step 4: Simplify right side
    897,255.60x = 357,999,762,056.58
  5. Step 5: Solve for x
    x = 357,999,762,056.58/897,255.60
  6. Step 6: Final answer
    x = 398,994.18

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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.