Home / 879,676.47-1,319,427.23-406,355.00

Finding the Fourth Proportional to 879,676.47, 1,319,427.23 and 406,355.00

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Solution

The fourth proportional to 879,676.47, 1,319,427.23 and 406,355.00 is: 609,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,676.47 : 1,319,427.23 = 406,355.00 : x
  2. Step 2: Convert to fraction form
    879,676.47/1,319,427.23 = 406,355.00/x
  3. Step 3: Cross multiply
    879,676.47x = 1,319,427.23 × 406,355.00
  4. Step 4: Simplify right side
    879,676.47x = 536,155,843,417.74
  5. Step 5: Solve for x
    x = 536,155,843,417.74/879,676.47
  6. Step 6: Final answer
    x = 609,492.08

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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.