Home / 946,077.60-1,305,617.40-538,168.80

Finding the Fourth Proportional to 946,077.60, 1,305,617.40 and 538,168.80

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Solution

The fourth proportional to 946,077.60, 1,305,617.40 and 538,168.80 is: 742,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,077.60 : 1,305,617.40 = 538,168.80 : x
  2. Step 2: Convert to fraction form
    946,077.60/1,305,617.40 = 538,168.80/x
  3. Step 3: Cross multiply
    946,077.60x = 1,305,617.40 × 538,168.80
  4. Step 4: Simplify right side
    946,077.60x = 702,642,549,417.12
  5. Step 5: Solve for x
    x = 702,642,549,417.12/946,077.60
  6. Step 6: Final answer
    x = 742,690.19

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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.