Home / 646,264.26-891,827.30-359,784.34

Finding the Fourth Proportional to 646,264.26, 891,827.30 and 359,784.34

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Solution

The fourth proportional to 646,264.26, 891,827.30 and 359,784.34 is: 496,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,264.26 : 891,827.30 = 359,784.34 : x
  2. Step 2: Convert to fraction form
    646,264.26/891,827.30 = 359,784.34/x
  3. Step 3: Cross multiply
    646,264.26x = 891,827.30 × 359,784.34
  4. Step 4: Simplify right side
    646,264.26x = 320,865,495,194.38
  5. Step 5: Solve for x
    x = 320,865,495,194.38/646,264.26
  6. Step 6: Final answer
    x = 496,492.71

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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.