Home / 907,302.80-1,360,954.20-434,910.80

Finding the Fourth Proportional to 907,302.80, 1,360,954.20 and 434,910.80

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Solution

The fourth proportional to 907,302.80, 1,360,954.20 and 434,910.80 is: 652,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,302.80 : 1,360,954.20 = 434,910.80 : x
  2. Step 2: Convert to fraction form
    907,302.80/1,360,954.20 = 434,910.80/x
  3. Step 3: Cross multiply
    907,302.80x = 1,360,954.20 × 434,910.80
  4. Step 4: Simplify right side
    907,302.80x = 591,893,679,885.36
  5. Step 5: Solve for x
    x = 591,893,679,885.36/907,302.80
  6. Step 6: Final answer
    x = 652,366.20

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Double scale
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Similar ratio
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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.