Home / 870,225.01-1,200,986.51-507,765.64

Finding the Fourth Proportional to 870,225.01, 1,200,986.51 and 507,765.64

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Solution

The fourth proportional to 870,225.01, 1,200,986.51 and 507,765.64 is: 700,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,225.01 : 1,200,986.51 = 507,765.64 : x
  2. Step 2: Convert to fraction form
    870,225.01/1,200,986.51 = 507,765.64/x
  3. Step 3: Cross multiply
    870,225.01x = 1,200,986.51 × 507,765.64
  4. Step 4: Simplify right side
    870,225.01x = 609,819,683,881.52
  5. Step 5: Solve for x
    x = 609,819,683,881.52/870,225.01
  6. Step 6: Final answer
    x = 700,760.93

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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.