Home / 778,544.12-1,074,207.48-472,613.06

Finding the Fourth Proportional to 778,544.12, 1,074,207.48 and 472,613.06

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Solution

The fourth proportional to 778,544.12, 1,074,207.48 and 472,613.06 is: 652,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,544.12 : 1,074,207.48 = 472,613.06 : x
  2. Step 2: Convert to fraction form
    778,544.12/1,074,207.48 = 472,613.06/x
  3. Step 3: Cross multiply
    778,544.12x = 1,074,207.48 × 472,613.06
  4. Step 4: Simplify right side
    778,544.12x = 507,684,484,197.69
  5. Step 5: Solve for x
    x = 507,684,484,197.69/778,544.12
  6. Step 6: Final answer
    x = 652,094.69

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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.