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Finding the Fourth Proportional to 556,451.70, 767,904.72 and 301,802.91

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Solution

The fourth proportional to 556,451.70, 767,904.72 and 301,802.91 is: 416,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,451.70 : 767,904.72 = 301,802.91 : x
  2. Step 2: Convert to fraction form
    556,451.70/767,904.72 = 301,802.91/x
  3. Step 3: Cross multiply
    556,451.70x = 767,904.72 × 301,802.91
  4. Step 4: Simplify right side
    556,451.70x = 231,755,879,098.74
  5. Step 5: Solve for x
    x = 231,755,879,098.74/556,451.70
  6. Step 6: Final answer
    x = 416,488.76

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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.