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Finding the Fourth Proportional to 706,471.32, 974,759.76 and 448,254.12

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Solution

The fourth proportional to 706,471.32, 974,759.76 and 448,254.12 is: 618,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,471.32 : 974,759.76 = 448,254.12 : x
  2. Step 2: Convert to fraction form
    706,471.32/974,759.76 = 448,254.12/x
  3. Step 3: Cross multiply
    706,471.32x = 974,759.76 × 448,254.12
  4. Step 4: Simplify right side
    706,471.32x = 436,940,078,430.21
  5. Step 5: Solve for x
    x = 436,940,078,430.21/706,471.32
  6. Step 6: Final answer
    x = 618,482.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.