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Finding the Fourth Proportional to 448,046, 618,303.48 and 246,846.32

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Solution

The fourth proportional to 448,046, 618,303.48 and 246,846.32 is: 340,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,046 : 618,303.48 = 246,846.32 : x
  2. Step 2: Convert to fraction form
    448,046/618,303.48 = 246,846.32/x
  3. Step 3: Cross multiply
    448,046x = 618,303.48 × 246,846.32
  4. Step 4: Simplify right side
    448,046x = 152,625,938,681.19
  5. Step 5: Solve for x
    x = 152,625,938,681.19/448,046
  6. Step 6: Final answer
    x = 340,647.92

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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.