Home / 896,392.28-1,236,985.35-488,485.43

Finding the Fourth Proportional to 896,392.28, 1,236,985.35 and 488,485.43

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Solution

The fourth proportional to 896,392.28, 1,236,985.35 and 488,485.43 is: 674,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,392.28 : 1,236,985.35 = 488,485.43 : x
  2. Step 2: Convert to fraction form
    896,392.28/1,236,985.35 = 488,485.43/x
  3. Step 3: Cross multiply
    896,392.28x = 1,236,985.35 × 488,485.43
  4. Step 4: Simplify right side
    896,392.28x = 604,249,320,598.45
  5. Step 5: Solve for x
    x = 604,249,320,598.45/896,392.28
  6. Step 6: Final answer
    x = 674,090.28

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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.