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Finding the Fourth Proportional to 630,814.60, 947,107.50 and 602,248.60

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Solution

The fourth proportional to 630,814.60, 947,107.50 and 602,248.60 is: 904,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,814.60 : 947,107.50 = 602,248.60 : x
  2. Step 2: Convert to fraction form
    630,814.60/947,107.50 = 602,248.60/x
  3. Step 3: Cross multiply
    630,814.60x = 947,107.50 × 602,248.60
  4. Step 4: Simplify right side
    630,814.60x = 570,394,165,924.50
  5. Step 5: Solve for x
    x = 570,394,165,924.50/630,814.60
  6. Step 6: Final answer
    x = 904,218.40

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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.