Home / 790,051.86-1,184,953.77-257,570.19

Finding the Fourth Proportional to 790,051.86, 1,184,953.77 and 257,570.19

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Solution

The fourth proportional to 790,051.86, 1,184,953.77 and 257,570.19 is: 386,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,051.86 : 1,184,953.77 = 257,570.19 : x
  2. Step 2: Convert to fraction form
    790,051.86/1,184,953.77 = 257,570.19/x
  3. Step 3: Cross multiply
    790,051.86x = 1,184,953.77 × 257,570.19
  4. Step 4: Simplify right side
    790,051.86x = 305,208,767,680.12
  5. Step 5: Solve for x
    x = 305,208,767,680.12/790,051.86
  6. Step 6: Final answer
    x = 386,314.85

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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.