Home / 910,090.20-1,366,010.10-461,317.80

Finding the Fourth Proportional to 910,090.20, 1,366,010.10 and 461,317.80

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Solution

The fourth proportional to 910,090.20, 1,366,010.10 and 461,317.80 is: 692,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,090.20 : 1,366,010.10 = 461,317.80 : x
  2. Step 2: Convert to fraction form
    910,090.20/1,366,010.10 = 461,317.80/x
  3. Step 3: Cross multiply
    910,090.20x = 1,366,010.10 × 461,317.80
  4. Step 4: Simplify right side
    910,090.20x = 630,164,774,109.78
  5. Step 5: Solve for x
    x = 630,164,774,109.78/910,090.20
  6. Step 6: Final answer
    x = 692,420.13

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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.