Home / 947,841.60-1,421,762.43-316,755.39

Finding the Fourth Proportional to 947,841.60, 1,421,762.43 and 316,755.39

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Solution

The fourth proportional to 947,841.60, 1,421,762.43 and 316,755.39 is: 475,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,841.60 : 1,421,762.43 = 316,755.39 : x
  2. Step 2: Convert to fraction form
    947,841.60/1,421,762.43 = 316,755.39/x
  3. Step 3: Cross multiply
    947,841.60x = 1,421,762.43 × 316,755.39
  4. Step 4: Simplify right side
    947,841.60x = 450,350,913,002.00
  5. Step 5: Solve for x
    x = 450,350,913,002.00/947,841.60
  6. Step 6: Final answer
    x = 475,133.10

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Double scale
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Similar ratio
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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.