Home / 698,891.10-1,048,336.65-446,948.70

Finding the Fourth Proportional to 698,891.10, 1,048,336.65 and 446,948.70

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Solution

The fourth proportional to 698,891.10, 1,048,336.65 and 446,948.70 is: 670,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,891.10 : 1,048,336.65 = 446,948.70 : x
  2. Step 2: Convert to fraction form
    698,891.10/1,048,336.65 = 446,948.70/x
  3. Step 3: Cross multiply
    698,891.10x = 1,048,336.65 × 446,948.70
  4. Step 4: Simplify right side
    698,891.10x = 468,552,702,879.86
  5. Step 5: Solve for x
    x = 468,552,702,879.86/698,891.10
  6. Step 6: Final answer
    x = 670,423.05

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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.