Home / 746,965.40-1,119,111.60-454,312.40

Finding the Fourth Proportional to 746,965.40, 1,119,111.60 and 454,312.40

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Solution

The fourth proportional to 746,965.40, 1,119,111.60 and 454,312.40 is: 680,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,965.40 : 1,119,111.60 = 454,312.40 : x
  2. Step 2: Convert to fraction form
    746,965.40/1,119,111.60 = 454,312.40/x
  3. Step 3: Cross multiply
    746,965.40x = 1,119,111.60 × 454,312.40
  4. Step 4: Simplify right side
    746,965.40x = 508,426,276,863.84
  5. Step 5: Solve for x
    x = 508,426,276,863.84/746,965.40
  6. Step 6: Final answer
    x = 680,655.73

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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.