Home / 572,977.40-859,638.90-306,865.40

Finding the Fourth Proportional to 572,977.40, 859,638.90 and 306,865.40

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Solution

The fourth proportional to 572,977.40, 859,638.90 and 306,865.40 is: 460,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,977.40 : 859,638.90 = 306,865.40 : x
  2. Step 2: Convert to fraction form
    572,977.40/859,638.90 = 306,865.40/x
  3. Step 3: Cross multiply
    572,977.40x = 859,638.90 × 306,865.40
  4. Step 4: Simplify right side
    572,977.40x = 263,793,434,904.06
  5. Step 5: Solve for x
    x = 263,793,434,904.06/572,977.40
  6. Step 6: Final answer
    x = 460,390.65

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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.