Home / 870,061.04-1,200,678.96-507,456.44

Finding the Fourth Proportional to 870,061.04, 1,200,678.96 and 507,456.44

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Solution

The fourth proportional to 870,061.04, 1,200,678.96 and 507,456.44 is: 700,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,061.04 : 1,200,678.96 = 507,456.44 : x
  2. Step 2: Convert to fraction form
    870,061.04/1,200,678.96 = 507,456.44/x
  3. Step 3: Cross multiply
    870,061.04x = 1,200,678.96 × 507,456.44
  4. Step 4: Simplify right side
    870,061.04x = 609,292,270,624.50
  5. Step 5: Solve for x
    x = 609,292,270,624.50/870,061.04
  6. Step 6: Final answer
    x = 700,286.81

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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.