Home / 712,609.98-1,068,914.70-286,145.68

Finding the Fourth Proportional to 712,609.98, 1,068,914.70 and 286,145.68

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Solution

The fourth proportional to 712,609.98, 1,068,914.70 and 286,145.68 is: 429,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,609.98 : 1,068,914.70 = 286,145.68 : x
  2. Step 2: Convert to fraction form
    712,609.98/1,068,914.70 = 286,145.68/x
  3. Step 3: Cross multiply
    712,609.98x = 1,068,914.70 × 286,145.68
  4. Step 4: Simplify right side
    712,609.98x = 305,865,323,693.50
  5. Step 5: Solve for x
    x = 305,865,323,693.50/712,609.98
  6. Step 6: Final answer
    x = 429,218.41

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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.