Home / 948,854.74-1,309,438.46-519,144.10

Finding the Fourth Proportional to 948,854.74, 1,309,438.46 and 519,144.10

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Solution

The fourth proportional to 948,854.74, 1,309,438.46 and 519,144.10 is: 716,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,854.74 : 1,309,438.46 = 519,144.10 : x
  2. Step 2: Convert to fraction form
    948,854.74/1,309,438.46 = 519,144.10/x
  3. Step 3: Cross multiply
    948,854.74x = 1,309,438.46 × 519,144.10
  4. Step 4: Simplify right side
    948,854.74x = 679,787,248,226.37
  5. Step 5: Solve for x
    x = 679,787,248,226.37/948,854.74
  6. Step 6: Final answer
    x = 716,429.21

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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.