Home / 572,845.20-860,185.80-455,492.40

Finding the Fourth Proportional to 572,845.20, 860,185.80 and 455,492.40

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Solution

The fourth proportional to 572,845.20, 860,185.80 and 455,492.40 is: 683,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,845.20 : 860,185.80 = 455,492.40 : x
  2. Step 2: Convert to fraction form
    572,845.20/860,185.80 = 455,492.40/x
  3. Step 3: Cross multiply
    572,845.20x = 860,185.80 × 455,492.40
  4. Step 4: Simplify right side
    572,845.20x = 391,808,094,487.92
  5. Step 5: Solve for x
    x = 391,808,094,487.92/572,845.20
  6. Step 6: Final answer
    x = 683,968.54

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1.5x scale

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.