Home / 850,328.10-1,173,408.48-528,031.33

Finding the Fourth Proportional to 850,328.10, 1,173,408.48 and 528,031.33

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Solution

The fourth proportional to 850,328.10, 1,173,408.48 and 528,031.33 is: 728,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,328.10 : 1,173,408.48 = 528,031.33 : x
  2. Step 2: Convert to fraction form
    850,328.10/1,173,408.48 = 528,031.33/x
  3. Step 3: Cross multiply
    850,328.10x = 1,173,408.48 × 528,031.33
  4. Step 4: Simplify right side
    850,328.10x = 619,596,437,394.16
  5. Step 5: Solve for x
    x = 619,596,437,394.16/850,328.10
  6. Step 6: Final answer
    x = 728,655.72

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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.