Home / 630,645.03-870,786.01-507,747.01

Finding the Fourth Proportional to 630,645.03, 870,786.01 and 507,747.01

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Solution

The fourth proportional to 630,645.03, 870,786.01 and 507,747.01 is: 701,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,645.03 : 870,786.01 = 507,747.01 : x
  2. Step 2: Convert to fraction form
    630,645.03/870,786.01 = 507,747.01/x
  3. Step 3: Cross multiply
    630,645.03x = 870,786.01 × 507,747.01
  4. Step 4: Simplify right side
    630,645.03x = 442,138,994,923.41
  5. Step 5: Solve for x
    x = 442,138,994,923.41/630,645.03
  6. Step 6: Final answer
    x = 701,090.12

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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.