Home / 880,021.02-1,214,429.51-477,613.02

Finding the Fourth Proportional to 880,021.02, 1,214,429.51 and 477,613.02

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Solution

The fourth proportional to 880,021.02, 1,214,429.51 and 477,613.02 is: 659,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,021.02 : 1,214,429.51 = 477,613.02 : x
  2. Step 2: Convert to fraction form
    880,021.02/1,214,429.51 = 477,613.02/x
  3. Step 3: Cross multiply
    880,021.02x = 1,214,429.51 × 477,613.02
  4. Step 4: Simplify right side
    880,021.02x = 580,027,348,909.79
  5. Step 5: Solve for x
    x = 580,027,348,909.79/880,021.02
  6. Step 6: Final answer
    x = 659,106.24

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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.