Home / 910,671.60-1,366,007.40-490,767.60

Finding the Fourth Proportional to 910,671.60, 1,366,007.40 and 490,767.60

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Solution

The fourth proportional to 910,671.60, 1,366,007.40 and 490,767.60 is: 736,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,671.60 : 1,366,007.40 = 490,767.60 : x
  2. Step 2: Convert to fraction form
    910,671.60/1,366,007.40 = 490,767.60/x
  3. Step 3: Cross multiply
    910,671.60x = 1,366,007.40 × 490,767.60
  4. Step 4: Simplify right side
    910,671.60x = 670,392,173,280.24
  5. Step 5: Solve for x
    x = 670,392,173,280.24/910,671.60
  6. Step 6: Final answer
    x = 736,151.40

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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.