Home / 788,594.63-1,185,361.09-520,445.88

Finding the Fourth Proportional to 788,594.63, 1,185,361.09 and 520,445.88

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Solution

The fourth proportional to 788,594.63, 1,185,361.09 and 520,445.88 is: 782,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,594.63 : 1,185,361.09 = 520,445.88 : x
  2. Step 2: Convert to fraction form
    788,594.63/1,185,361.09 = 520,445.88/x
  3. Step 3: Cross multiply
    788,594.63x = 1,185,361.09 × 520,445.88
  4. Step 4: Simplify right side
    788,594.63x = 616,916,294,301.70
  5. Step 5: Solve for x
    x = 616,916,294,301.70/788,594.63
  6. Step 6: Final answer
    x = 782,298.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.