Home / 879,681.72-1,319,435.08-406,360.24

Finding the Fourth Proportional to 879,681.72, 1,319,435.08 and 406,360.24

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Solution

The fourth proportional to 879,681.72, 1,319,435.08 and 406,360.24 is: 609,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,681.72 : 1,319,435.08 = 406,360.24 : x
  2. Step 2: Convert to fraction form
    879,681.72/1,319,435.08 = 406,360.24/x
  3. Step 3: Cross multiply
    879,681.72x = 1,319,435.08 × 406,360.24
  4. Step 4: Simplify right side
    879,681.72x = 536,165,955,773.22
  5. Step 5: Solve for x
    x = 536,165,955,773.22/879,681.72
  6. Step 6: Final answer
    x = 609,499.94

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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.