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Finding the Fourth Proportional to 556,448.95, 767,900.91 and 301,800.16

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Solution

The fourth proportional to 556,448.95, 767,900.91 and 301,800.16 is: 416,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,448.95 : 767,900.91 = 301,800.16 : x
  2. Step 2: Convert to fraction form
    556,448.95/767,900.91 = 301,800.16/x
  3. Step 3: Cross multiply
    556,448.95x = 767,900.91 × 301,800.16
  4. Step 4: Simplify right side
    556,448.95x = 231,752,617,502.15
  5. Step 5: Solve for x
    x = 231,752,617,502.15/556,448.95
  6. Step 6: Final answer
    x = 416,484.96

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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.