Home / 778,931.40-1,168,397.10-731,692.20

Finding the Fourth Proportional to 778,931.40, 1,168,397.10 and 731,692.20

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Solution

The fourth proportional to 778,931.40, 1,168,397.10 and 731,692.20 is: 1,097,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,931.40 : 1,168,397.10 = 731,692.20 : x
  2. Step 2: Convert to fraction form
    778,931.40/1,168,397.10 = 731,692.20/x
  3. Step 3: Cross multiply
    778,931.40x = 1,168,397.10 × 731,692.20
  4. Step 4: Simplify right side
    778,931.40x = 854,907,044,572.62
  5. Step 5: Solve for x
    x = 854,907,044,572.62/778,931.40
  6. Step 6: Final answer
    x = 1,097,538.30

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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.