Home / 869,345.60-1,302,268.80-585,910.40

Finding the Fourth Proportional to 869,345.60, 1,302,268.80 and 585,910.40

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Solution

The fourth proportional to 869,345.60, 1,302,268.80 and 585,910.40 is: 877,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,345.60 : 1,302,268.80 = 585,910.40 : x
  2. Step 2: Convert to fraction form
    869,345.60/1,302,268.80 = 585,910.40/x
  3. Step 3: Cross multiply
    869,345.60x = 1,302,268.80 × 585,910.40
  4. Step 4: Simplify right side
    869,345.60x = 763,012,833,515.52
  5. Step 5: Solve for x
    x = 763,012,833,515.52/869,345.60
  6. Step 6: Final answer
    x = 877,686.43

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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.