Home / 870,224.01-1,200,985.13-507,764.64

Finding the Fourth Proportional to 870,224.01, 1,200,985.13 and 507,764.64

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Solution

The fourth proportional to 870,224.01, 1,200,985.13 and 507,764.64 is: 700,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,224.01 : 1,200,985.13 = 507,764.64 : x
  2. Step 2: Convert to fraction form
    870,224.01/1,200,985.13 = 507,764.64/x
  3. Step 3: Cross multiply
    870,224.01x = 1,200,985.13 × 507,764.64
  4. Step 4: Simplify right side
    870,224.01x = 609,817,777,389.13
  5. Step 5: Solve for x
    x = 609,817,777,389.13/870,224.01
  6. Step 6: Final answer
    x = 700,759.54

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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.