Home / 1,016,317.94-1,402,509.20-557,423.17

Finding the Fourth Proportional to 1,016,317.94, 1,402,509.20 and 557,423.17

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Solution

The fourth proportional to 1,016,317.94, 1,402,509.20 and 557,423.17 is: 769,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,317.94 : 1,402,509.20 = 557,423.17 : x
  2. Step 2: Convert to fraction form
    1,016,317.94/1,402,509.20 = 557,423.17/x
  3. Step 3: Cross multiply
    1,016,317.94x = 1,402,509.20 × 557,423.17
  4. Step 4: Simplify right side
    1,016,317.94x = 781,791,117,924.78
  5. Step 5: Solve for x
    x = 781,791,117,924.78/1,016,317.94
  6. Step 6: Final answer
    x = 769,238.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.