Home / 974,534.80-1,461,802.20-343,512.40

Finding the Fourth Proportional to 974,534.80, 1,461,802.20 and 343,512.40

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Solution

The fourth proportional to 974,534.80, 1,461,802.20 and 343,512.40 is: 515,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,534.80 : 1,461,802.20 = 343,512.40 : x
  2. Step 2: Convert to fraction form
    974,534.80/1,461,802.20 = 343,512.40/x
  3. Step 3: Cross multiply
    974,534.80x = 1,461,802.20 × 343,512.40
  4. Step 4: Simplify right side
    974,534.80x = 502,147,182,047.28
  5. Step 5: Solve for x
    x = 502,147,182,047.28/974,534.80
  6. Step 6: Final answer
    x = 515,268.60

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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.