Home / 832,597.12-1,149,013.88-470,085.49

Finding the Fourth Proportional to 832,597.12, 1,149,013.88 and 470,085.49

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Solution

The fourth proportional to 832,597.12, 1,149,013.88 and 470,085.49 is: 648,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,597.12 : 1,149,013.88 = 470,085.49 : x
  2. Step 2: Convert to fraction form
    832,597.12/1,149,013.88 = 470,085.49/x
  3. Step 3: Cross multiply
    832,597.12x = 1,149,013.88 × 470,085.49
  4. Step 4: Simplify right side
    832,597.12x = 540,134,752,796.60
  5. Step 5: Solve for x
    x = 540,134,752,796.60/832,597.12
  6. Step 6: Final answer
    x = 648,734.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.