Home / 867,079.20-1,300,424.40-569,647.20

Finding the Fourth Proportional to 867,079.20, 1,300,424.40 and 569,647.20

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Solution

The fourth proportional to 867,079.20, 1,300,424.40 and 569,647.20 is: 854,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,079.20 : 1,300,424.40 = 569,647.20 : x
  2. Step 2: Convert to fraction form
    867,079.20/1,300,424.40 = 569,647.20/x
  3. Step 3: Cross multiply
    867,079.20x = 1,300,424.40 × 569,647.20
  4. Step 4: Simplify right side
    867,079.20x = 740,783,118,271.68
  5. Step 5: Solve for x
    x = 740,783,118,271.68/867,079.20
  6. Step 6: Final answer
    x = 854,343.08

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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.