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Finding the Fourth Proportional to 526,242.60, 788,586.30 and 446,927.40

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Solution

The fourth proportional to 526,242.60, 788,586.30 and 446,927.40 is: 669,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,242.60 : 788,586.30 = 446,927.40 : x
  2. Step 2: Convert to fraction form
    526,242.60/788,586.30 = 446,927.40/x
  3. Step 3: Cross multiply
    526,242.60x = 788,586.30 × 446,927.40
  4. Step 4: Simplify right side
    526,242.60x = 352,440,824,734.62
  5. Step 5: Solve for x
    x = 352,440,824,734.62/526,242.60
  6. Step 6: Final answer
    x = 669,730.70

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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.