Home / 751,503.61-1,037,071.18-407,338.15

Finding the Fourth Proportional to 751,503.61, 1,037,071.18 and 407,338.15

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Solution

The fourth proportional to 751,503.61, 1,037,071.18 and 407,338.15 is: 562,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,503.61 : 1,037,071.18 = 407,338.15 : x
  2. Step 2: Convert to fraction form
    751,503.61/1,037,071.18 = 407,338.15/x
  3. Step 3: Cross multiply
    751,503.61x = 1,037,071.18 × 407,338.15
  4. Step 4: Simplify right side
    751,503.61x = 422,438,655,879.52
  5. Step 5: Solve for x
    x = 422,438,655,879.52/751,503.61
  6. Step 6: Final answer
    x = 562,124.59

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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.