Home / 879,962.67-1,319,944.01-406,586.52

Finding the Fourth Proportional to 879,962.67, 1,319,944.01 and 406,586.52

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Solution

The fourth proportional to 879,962.67, 1,319,944.01 and 406,586.52 is: 609,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,962.67 : 1,319,944.01 = 406,586.52 : x
  2. Step 2: Convert to fraction form
    879,962.67/1,319,944.01 = 406,586.52/x
  3. Step 3: Cross multiply
    879,962.67x = 1,319,944.01 × 406,586.52
  4. Step 4: Simplify right side
    879,962.67x = 536,671,439,587.81
  5. Step 5: Solve for x
    x = 536,671,439,587.81/879,962.67
  6. Step 6: Final answer
    x = 609,879.78

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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.