Home / 703,746.53-971,172.29-381,457.91

Finding the Fourth Proportional to 703,746.53, 971,172.29 and 381,457.91

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Solution

The fourth proportional to 703,746.53, 971,172.29 and 381,457.91 is: 526,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,746.53 : 971,172.29 = 381,457.91 : x
  2. Step 2: Convert to fraction form
    703,746.53/971,172.29 = 381,457.91/x
  3. Step 3: Cross multiply
    703,746.53x = 971,172.29 × 381,457.91
  4. Step 4: Simplify right side
    703,746.53x = 370,461,351,993.31
  5. Step 5: Solve for x
    x = 370,461,351,993.31/703,746.53
  6. Step 6: Final answer
    x = 526,413.04

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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.