Home / 829,005.64-1,144,038.26-466,430.20

Finding the Fourth Proportional to 829,005.64, 1,144,038.26 and 466,430.20

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Solution

The fourth proportional to 829,005.64, 1,144,038.26 and 466,430.20 is: 643,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,005.64 : 1,144,038.26 = 466,430.20 : x
  2. Step 2: Convert to fraction form
    829,005.64/1,144,038.26 = 466,430.20/x
  3. Step 3: Cross multiply
    829,005.64x = 1,144,038.26 × 466,430.20
  4. Step 4: Simplify right side
    829,005.64x = 533,613,992,725.43
  5. Step 5: Solve for x
    x = 533,613,992,725.43/829,005.64
  6. Step 6: Final answer
    x = 643,679.57

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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.