Home / 837,298.08-1,155,463.20-455,328

Finding the Fourth Proportional to 837,298.08, 1,155,463.20 and 455,328

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Solution

The fourth proportional to 837,298.08, 1,155,463.20 and 455,328 is: 628,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,298.08 : 1,155,463.20 = 455,328 : x
  2. Step 2: Convert to fraction form
    837,298.08/1,155,463.20 = 455,328/x
  3. Step 3: Cross multiply
    837,298.08x = 1,155,463.20 × 455,328
  4. Step 4: Simplify right side
    837,298.08x = 526,114,747,929.60
  5. Step 5: Solve for x
    x = 526,114,747,929.60/837,298.08
  6. Step 6: Final answer
    x = 628,348.21

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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.