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Finding the Fourth Proportional to 652,614.93, 900,774.14 and 445,967.01

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Solution

The fourth proportional to 652,614.93, 900,774.14 and 445,967.01 is: 615,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,614.93 : 900,774.14 = 445,967.01 : x
  2. Step 2: Convert to fraction form
    652,614.93/900,774.14 = 445,967.01/x
  3. Step 3: Cross multiply
    652,614.93x = 900,774.14 × 445,967.01
  4. Step 4: Simplify right side
    652,614.93x = 401,715,547,671.29
  5. Step 5: Solve for x
    x = 401,715,547,671.29/652,614.93
  6. Step 6: Final answer
    x = 615,547.59

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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.