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Finding the Fourth Proportional to 526,235.60, 788,575.80 and 446,920.40

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Solution

The fourth proportional to 526,235.60, 788,575.80 and 446,920.40 is: 669,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,235.60 : 788,575.80 = 446,920.40 : x
  2. Step 2: Convert to fraction form
    526,235.60/788,575.80 = 446,920.40/x
  3. Step 3: Cross multiply
    526,235.60x = 788,575.80 × 446,920.40
  4. Step 4: Simplify right side
    526,235.60x = 352,430,611,966.32
  5. Step 5: Solve for x
    x = 352,430,611,966.32/526,235.60
  6. Step 6: Final answer
    x = 669,720.20

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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.