Home / 710,817.60-1,066,068.99-205,268.52

Finding the Fourth Proportional to 710,817.60, 1,066,068.99 and 205,268.52

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Solution

The fourth proportional to 710,817.60, 1,066,068.99 and 205,268.52 is: 307,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,817.60 : 1,066,068.99 = 205,268.52 : x
  2. Step 2: Convert to fraction form
    710,817.60/1,066,068.99 = 205,268.52/x
  3. Step 3: Cross multiply
    710,817.60x = 1,066,068.99 × 205,268.52
  4. Step 4: Simplify right side
    710,817.60x = 218,830,403,795.20
  5. Step 5: Solve for x
    x = 218,830,403,795.20/710,817.60
  6. Step 6: Final answer
    x = 307,857.32

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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.