Home / 874,853.80-1,312,280.56-210,005.80

Finding the Fourth Proportional to 874,853.80, 1,312,280.56 and 210,005.80

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Solution

The fourth proportional to 874,853.80, 1,312,280.56 and 210,005.80 is: 315,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,853.80 : 1,312,280.56 = 210,005.80 : x
  2. Step 2: Convert to fraction form
    874,853.80/1,312,280.56 = 210,005.80/x
  3. Step 3: Cross multiply
    874,853.80x = 1,312,280.56 × 210,005.80
  4. Step 4: Simplify right side
    874,853.80x = 275,586,528,827.25
  5. Step 5: Solve for x
    x = 275,586,528,827.25/874,853.80
  6. Step 6: Final answer
    x = 315,008.67

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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.