Home / 840,210.67-1,159,485.42-477,634.55

Finding the Fourth Proportional to 840,210.67, 1,159,485.42 and 477,634.55

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Solution

The fourth proportional to 840,210.67, 1,159,485.42 and 477,634.55 is: 659,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,210.67 : 1,159,485.42 = 477,634.55 : x
  2. Step 2: Convert to fraction form
    840,210.67/1,159,485.42 = 477,634.55/x
  3. Step 3: Cross multiply
    840,210.67x = 1,159,485.42 × 477,634.55
  4. Step 4: Simplify right side
    840,210.67x = 553,810,293,381.32
  5. Step 5: Solve for x
    x = 553,810,293,381.32/840,210.67
  6. Step 6: Final answer
    x = 659,132.66

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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.