Home / 949,318.13-1,310,008.48-519,515.19

Finding the Fourth Proportional to 949,318.13, 1,310,008.48 and 519,515.19

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Solution

The fourth proportional to 949,318.13, 1,310,008.48 and 519,515.19 is: 716,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,318.13 : 1,310,008.48 = 519,515.19 : x
  2. Step 2: Convert to fraction form
    949,318.13/1,310,008.48 = 519,515.19/x
  3. Step 3: Cross multiply
    949,318.13x = 1,310,008.48 × 519,515.19
  4. Step 4: Simplify right side
    949,318.13x = 680,569,303,090.02
  5. Step 5: Solve for x
    x = 680,569,303,090.02/949,318.13
  6. Step 6: Final answer
    x = 716,903.30

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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.