Home / 947,835.10-1,421,752.66-316,748.91

Finding the Fourth Proportional to 947,835.10, 1,421,752.66 and 316,748.91

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Solution

The fourth proportional to 947,835.10, 1,421,752.66 and 316,748.91 is: 475,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,835.10 : 1,421,752.66 = 316,748.91 : x
  2. Step 2: Convert to fraction form
    947,835.10/1,421,752.66 = 316,748.91/x
  3. Step 3: Cross multiply
    947,835.10x = 1,421,752.66 × 316,748.91
  4. Step 4: Simplify right side
    947,835.10x = 450,338,605,344.60
  5. Step 5: Solve for x
    x = 450,338,605,344.60/947,835.10
  6. Step 6: Final answer
    x = 475,123.37

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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.