Home / 875,541.80-1,312,340.70-342,885.80

Finding the Fourth Proportional to 875,541.80, 1,312,340.70 and 342,885.80

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Solution

The fourth proportional to 875,541.80, 1,312,340.70 and 342,885.80 is: 513,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,541.80 : 1,312,340.70 = 342,885.80 : x
  2. Step 2: Convert to fraction form
    875,541.80/1,312,340.70 = 342,885.80/x
  3. Step 3: Cross multiply
    875,541.80x = 1,312,340.70 × 342,885.80
  4. Step 4: Simplify right side
    875,541.80x = 449,982,990,792.06
  5. Step 5: Solve for x
    x = 449,982,990,792.06/875,541.80
  6. Step 6: Final answer
    x = 513,948.04

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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.