Home / 909,247.57-1,364,264.65-488,031.37

Finding the Fourth Proportional to 909,247.57, 1,364,264.65 and 488,031.37

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Solution

The fourth proportional to 909,247.57, 1,364,264.65 and 488,031.37 is: 732,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,247.57 : 1,364,264.65 = 488,031.37 : x
  2. Step 2: Convert to fraction form
    909,247.57/1,364,264.65 = 488,031.37/x
  3. Step 3: Cross multiply
    909,247.57x = 1,364,264.65 × 488,031.37
  4. Step 4: Simplify right side
    909,247.57x = 665,803,938,140.67
  5. Step 5: Solve for x
    x = 665,803,938,140.67/909,247.57
  6. Step 6: Final answer
    x = 732,258.15

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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.