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Finding the Fourth Proportional to 650,700.24, 974,779.16 and 448,260.58

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Solution

The fourth proportional to 650,700.24, 974,779.16 and 448,260.58 is: 671,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,700.24 : 974,779.16 = 448,260.58 : x
  2. Step 2: Convert to fraction form
    650,700.24/974,779.16 = 448,260.58/x
  3. Step 3: Cross multiply
    650,700.24x = 974,779.16 × 448,260.58
  4. Step 4: Simplify right side
    650,700.24x = 436,955,073,132.15
  5. Step 5: Solve for x
    x = 436,955,073,132.15/650,700.24
  6. Step 6: Final answer
    x = 671,515.16

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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.