Home / 672,799.10-1,009,781.72-353,176.93

Finding the Fourth Proportional to 672,799.10, 1,009,781.72 and 353,176.93

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Solution

The fourth proportional to 672,799.10, 1,009,781.72 and 353,176.93 is: 530,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,799.10 : 1,009,781.72 = 353,176.93 : x
  2. Step 2: Convert to fraction form
    672,799.10/1,009,781.72 = 353,176.93/x
  3. Step 3: Cross multiply
    672,799.10x = 1,009,781.72 × 353,176.93
  4. Step 4: Simplify right side
    672,799.10x = 356,631,601,024.93
  5. Step 5: Solve for x
    x = 356,631,601,024.93/672,799.10
  6. Step 6: Final answer
    x = 530,071.46

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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.