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Finding the Fourth Proportional to 623,715.60, 933,605.10 and 604,032.60

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Solution

The fourth proportional to 623,715.60, 933,605.10 and 604,032.60 is: 904,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,715.60 : 933,605.10 = 604,032.60 : x
  2. Step 2: Convert to fraction form
    623,715.60/933,605.10 = 604,032.60/x
  3. Step 3: Cross multiply
    623,715.60x = 933,605.10 × 604,032.60
  4. Step 4: Simplify right side
    623,715.60x = 563,927,915,926.26
  5. Step 5: Solve for x
    x = 563,927,915,926.26/623,715.60
  6. Step 6: Final answer
    x = 904,142.71

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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.