Home / 751,521.76-1,037,078.58-429,225.19

Finding the Fourth Proportional to 751,521.76, 1,037,078.58 and 429,225.19

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Solution

The fourth proportional to 751,521.76, 1,037,078.58 and 429,225.19 is: 592,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,521.76 : 1,037,078.58 = 429,225.19 : x
  2. Step 2: Convert to fraction form
    751,521.76/1,037,078.58 = 429,225.19/x
  3. Step 3: Cross multiply
    751,521.76x = 1,037,078.58 × 429,225.19
  4. Step 4: Simplify right side
    751,521.76x = 445,140,250,545.43
  5. Step 5: Solve for x
    x = 445,140,250,545.43/751,521.76
  6. Step 6: Final answer
    x = 592,318.51

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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.