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Finding the Fourth Proportional to 646,402.68, 969,279.62 and 376,618.01

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Solution

The fourth proportional to 646,402.68, 969,279.62 and 376,618.01 is: 564,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,402.68 : 969,279.62 = 376,618.01 : x
  2. Step 2: Convert to fraction form
    646,402.68/969,279.62 = 376,618.01/x
  3. Step 3: Cross multiply
    646,402.68x = 969,279.62 × 376,618.01
  4. Step 4: Simplify right side
    646,402.68x = 365,048,154,888.47
  5. Step 5: Solve for x
    x = 365,048,154,888.47/646,402.68
  6. Step 6: Final answer
    x = 564,738.00

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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.