Home / 455,284.32-681,581.40-435,798.15

Finding the Fourth Proportional to 455,284.32, 681,581.40 and 435,798.15

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Solution

The fourth proportional to 455,284.32, 681,581.40 and 435,798.15 is: 652,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,284.32 : 681,581.40 = 435,798.15 : x
  2. Step 2: Convert to fraction form
    455,284.32/681,581.40 = 435,798.15/x
  3. Step 3: Cross multiply
    455,284.32x = 681,581.40 × 435,798.15
  4. Step 4: Simplify right side
    455,284.32x = 297,031,913,194.41
  5. Step 5: Solve for x
    x = 297,031,913,194.41/455,284.32
  6. Step 6: Final answer
    x = 652,409.71

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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.