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Finding the Fourth Proportional to 456,117.60, 683,398.80 and 376,802.40

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Solution

The fourth proportional to 456,117.60, 683,398.80 and 376,802.40 is: 564,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,117.60 : 683,398.80 = 376,802.40 : x
  2. Step 2: Convert to fraction form
    456,117.60/683,398.80 = 376,802.40/x
  3. Step 3: Cross multiply
    456,117.60x = 683,398.80 × 376,802.40
  4. Step 4: Simplify right side
    456,117.60x = 257,506,307,997.12
  5. Step 5: Solve for x
    x = 257,506,307,997.12/456,117.60
  6. Step 6: Final answer
    x = 564,561.22

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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.