Home / 581,509.43-802,365.35-339,745.29

Finding the Fourth Proportional to 581,509.43, 802,365.35 and 339,745.29

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Solution

The fourth proportional to 581,509.43, 802,365.35 and 339,745.29 is: 468,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,509.43 : 802,365.35 = 339,745.29 : x
  2. Step 2: Convert to fraction form
    581,509.43/802,365.35 = 339,745.29/x
  3. Step 3: Cross multiply
    581,509.43x = 802,365.35 × 339,745.29
  4. Step 4: Simplify right side
    581,509.43x = 272,599,843,814.11
  5. Step 5: Solve for x
    x = 272,599,843,814.11/581,509.43
  6. Step 6: Final answer
    x = 468,779.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.