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Finding the Fourth Proportional to 602,802.60, 904,355.10 and 265,907.40

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Solution

The fourth proportional to 602,802.60, 904,355.10 and 265,907.40 is: 398,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,802.60 : 904,355.10 = 265,907.40 : x
  2. Step 2: Convert to fraction form
    602,802.60/904,355.10 = 265,907.40/x
  3. Step 3: Cross multiply
    602,802.60x = 904,355.10 × 265,907.40
  4. Step 4: Simplify right side
    602,802.60x = 240,474,713,317.74
  5. Step 5: Solve for x
    x = 240,474,713,317.74/602,802.60
  6. Step 6: Final answer
    x = 398,927.80

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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.