Home / 785,522.10-1,175,561.55-470,205.30

Finding the Fourth Proportional to 785,522.10, 1,175,561.55 and 470,205.30

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Solution

The fourth proportional to 785,522.10, 1,175,561.55 and 470,205.30 is: 703,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,522.10 : 1,175,561.55 = 470,205.30 : x
  2. Step 2: Convert to fraction form
    785,522.10/1,175,561.55 = 470,205.30/x
  3. Step 3: Cross multiply
    785,522.10x = 1,175,561.55 × 470,205.30
  4. Step 4: Simplify right side
    785,522.10x = 552,755,271,286.22
  5. Step 5: Solve for x
    x = 552,755,271,286.22/785,522.10
  6. Step 6: Final answer
    x = 703,678.83

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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.