Home / 832,503.53-1,149,076.90-470,139.50

Finding the Fourth Proportional to 832,503.53, 1,149,076.90 and 470,139.50

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Solution

The fourth proportional to 832,503.53, 1,149,076.90 and 470,139.50 is: 648,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,503.53 : 1,149,076.90 = 470,139.50 : x
  2. Step 2: Convert to fraction form
    832,503.53/1,149,076.90 = 470,139.50/x
  3. Step 3: Cross multiply
    832,503.53x = 1,149,076.90 × 470,139.50
  4. Step 4: Simplify right side
    832,503.53x = 540,226,432,306.82
  5. Step 5: Solve for x
    x = 540,226,432,306.82/832,503.53
  6. Step 6: Final answer
    x = 648,917.89

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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.