Home / 684,430.98-1,026,791.04-257,957.76

Finding the Fourth Proportional to 684,430.98, 1,026,791.04 and 257,957.76

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Solution

The fourth proportional to 684,430.98, 1,026,791.04 and 257,957.76 is: 386,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,430.98 : 1,026,791.04 = 257,957.76 : x
  2. Step 2: Convert to fraction form
    684,430.98/1,026,791.04 = 257,957.76/x
  3. Step 3: Cross multiply
    684,430.98x = 1,026,791.04 × 257,957.76
  4. Step 4: Simplify right side
    684,430.98x = 264,868,716,666.47
  5. Step 5: Solve for x
    x = 264,868,716,666.47/684,430.98
  6. Step 6: Final answer
    x = 386,991.13

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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.