Home / 874,271.08-1,206,627.30-630,065.80

Finding the Fourth Proportional to 874,271.08, 1,206,627.30 and 630,065.80

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Solution

The fourth proportional to 874,271.08, 1,206,627.30 and 630,065.80 is: 869,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,271.08 : 1,206,627.30 = 630,065.80 : x
  2. Step 2: Convert to fraction form
    874,271.08/1,206,627.30 = 630,065.80/x
  3. Step 3: Cross multiply
    874,271.08x = 1,206,627.30 × 630,065.80
  4. Step 4: Simplify right side
    874,271.08x = 760,254,595,076.34
  5. Step 5: Solve for x
    x = 760,254,595,076.34/874,271.08
  6. Step 6: Final answer
    x = 869,586.80

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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.