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Finding the Fourth Proportional to 556,026.28, 767,317.08 and 301,377.40

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Solution

The fourth proportional to 556,026.28, 767,317.08 and 301,377.40 is: 415,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,026.28 : 767,317.08 = 301,377.40 : x
  2. Step 2: Convert to fraction form
    556,026.28/767,317.08 = 301,377.40/x
  3. Step 3: Cross multiply
    556,026.28x = 767,317.08 × 301,377.40
  4. Step 4: Simplify right side
    556,026.28x = 231,252,026,545.99
  5. Step 5: Solve for x
    x = 231,252,026,545.99/556,026.28
  6. Step 6: Final answer
    x = 415,901.25

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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.