Home / 971,584.40-1,457,117.40-340,432.40

Finding the Fourth Proportional to 971,584.40, 1,457,117.40 and 340,432.40

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Solution

The fourth proportional to 971,584.40, 1,457,117.40 and 340,432.40 is: 510,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,584.40 : 1,457,117.40 = 340,432.40 : x
  2. Step 2: Convert to fraction form
    971,584.40/1,457,117.40 = 340,432.40/x
  3. Step 3: Cross multiply
    971,584.40x = 1,457,117.40 × 340,432.40
  4. Step 4: Simplify right side
    971,584.40x = 496,049,973,563.76
  5. Step 5: Solve for x
    x = 496,049,973,563.76/971,584.40
  6. Step 6: Final answer
    x = 510,557.78

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Double scale
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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.