Home / 669,885.10-1,004,827.65-457,308.70

Finding the Fourth Proportional to 669,885.10, 1,004,827.65 and 457,308.70

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Solution

The fourth proportional to 669,885.10, 1,004,827.65 and 457,308.70 is: 685,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,885.10 : 1,004,827.65 = 457,308.70 : x
  2. Step 2: Convert to fraction form
    669,885.10/1,004,827.65 = 457,308.70/x
  3. Step 3: Cross multiply
    669,885.10x = 1,004,827.65 × 457,308.70
  4. Step 4: Simplify right side
    669,885.10x = 459,516,426,345.56
  5. Step 5: Solve for x
    x = 459,516,426,345.56/669,885.10
  6. Step 6: Final answer
    x = 685,963.05

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1.5x scale

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.