Home / 816,312.50-1,126,421.69-472,155.24

Finding the Fourth Proportional to 816,312.50, 1,126,421.69 and 472,155.24

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Solution

The fourth proportional to 816,312.50, 1,126,421.69 and 472,155.24 is: 651,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,312.50 : 1,126,421.69 = 472,155.24 : x
  2. Step 2: Convert to fraction form
    816,312.50/1,126,421.69 = 472,155.24/x
  3. Step 3: Cross multiply
    816,312.50x = 1,126,421.69 × 472,155.24
  4. Step 4: Simplify right side
    816,312.50x = 531,845,907,902.33
  5. Step 5: Solve for x
    x = 531,845,907,902.33/816,312.50
  6. Step 6: Final answer
    x = 651,522.44

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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.