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Finding the Fourth Proportional to 847,254.56, 1,169,214.56 and 460,070.60

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Solution

The fourth proportional to 847,254.56, 1,169,214.56 and 460,070.60 is: 634,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,254.56 : 1,169,214.56 = 460,070.60 : x
  2. Step 2: Convert to fraction form
    847,254.56/1,169,214.56 = 460,070.60/x
  3. Step 3: Cross multiply
    847,254.56x = 1,169,214.56 × 460,070.60
  4. Step 4: Simplify right side
    847,254.56x = 537,921,244,147.94
  5. Step 5: Solve for x
    x = 537,921,244,147.94/847,254.56
  6. Step 6: Final answer
    x = 634,899.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.