Home / 779,838.33-1,076,155.88-426,205.19

Finding the Fourth Proportional to 779,838.33, 1,076,155.88 and 426,205.19

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Solution

The fourth proportional to 779,838.33, 1,076,155.88 and 426,205.19 is: 588,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,838.33 : 1,076,155.88 = 426,205.19 : x
  2. Step 2: Convert to fraction form
    779,838.33/1,076,155.88 = 426,205.19/x
  3. Step 3: Cross multiply
    779,838.33x = 1,076,155.88 × 426,205.19
  4. Step 4: Simplify right side
    779,838.33x = 458,663,221,864.38
  5. Step 5: Solve for x
    x = 458,663,221,864.38/779,838.33
  6. Step 6: Final answer
    x = 588,151.67

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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.