Home / 790,347.91-1,184,925.70-257,550.79

Finding the Fourth Proportional to 790,347.91, 1,184,925.70 and 257,550.79

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Solution

The fourth proportional to 790,347.91, 1,184,925.70 and 257,550.79 is: 386,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,347.91 : 1,184,925.70 = 257,550.79 : x
  2. Step 2: Convert to fraction form
    790,347.91/1,184,925.70 = 257,550.79/x
  3. Step 3: Cross multiply
    790,347.91x = 1,184,925.70 × 257,550.79
  4. Step 4: Simplify right side
    790,347.91x = 305,178,550,126.30
  5. Step 5: Solve for x
    x = 305,178,550,126.30/790,347.91
  6. Step 6: Final answer
    x = 386,131.91

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1.5x scale

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.