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Finding the Fourth Proportional to 650,410.80, 974,449.80 and 608,420.40

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Solution

The fourth proportional to 650,410.80, 974,449.80 and 608,420.40 is: 911,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,410.80 : 974,449.80 = 608,420.40 : x
  2. Step 2: Convert to fraction form
    650,410.80/974,449.80 = 608,420.40/x
  3. Step 3: Cross multiply
    650,410.80x = 974,449.80 × 608,420.40
  4. Step 4: Simplify right side
    650,410.80x = 592,875,137,095.92
  5. Step 5: Solve for x
    x = 592,875,137,095.92/650,410.80
  6. Step 6: Final answer
    x = 911,539.50

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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.