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Finding the Fourth Proportional to 507,670.56, 700,018.80 and 346,610.16

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Solution

The fourth proportional to 507,670.56, 700,018.80 and 346,610.16 is: 477,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,670.56 : 700,018.80 = 346,610.16 : x
  2. Step 2: Convert to fraction form
    507,670.56/700,018.80 = 346,610.16/x
  3. Step 3: Cross multiply
    507,670.56x = 700,018.80 × 346,610.16
  4. Step 4: Simplify right side
    507,670.56x = 242,633,628,271.01
  5. Step 5: Solve for x
    x = 242,633,628,271.01/507,670.56
  6. Step 6: Final answer
    x = 477,935.20

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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.