Home / 847,154.72-1,169,065.10-459,961.62

Finding the Fourth Proportional to 847,154.72, 1,169,065.10 and 459,961.62

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Solution

The fourth proportional to 847,154.72, 1,169,065.10 and 459,961.62 is: 634,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,154.72 : 1,169,065.10 = 459,961.62 : x
  2. Step 2: Convert to fraction form
    847,154.72/1,169,065.10 = 459,961.62/x
  3. Step 3: Cross multiply
    847,154.72x = 1,169,065.10 × 459,961.62
  4. Step 4: Simplify right side
    847,154.72x = 537,725,077,281.46
  5. Step 5: Solve for x
    x = 537,725,077,281.46/847,154.72
  6. Step 6: Final answer
    x = 634,742.47

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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.