Home / 875,158.40-1,312,737.60-210,310.40

Finding the Fourth Proportional to 875,158.40, 1,312,737.60 and 210,310.40

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Solution

The fourth proportional to 875,158.40, 1,312,737.60 and 210,310.40 is: 315,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,158.40 : 1,312,737.60 = 210,310.40 : x
  2. Step 2: Convert to fraction form
    875,158.40/1,312,737.60 = 210,310.40/x
  3. Step 3: Cross multiply
    875,158.40x = 1,312,737.60 × 210,310.40
  4. Step 4: Simplify right side
    875,158.40x = 276,082,369,751.04
  5. Step 5: Solve for x
    x = 276,082,369,751.04/875,158.40
  6. Step 6: Final answer
    x = 315,465.60

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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.