Home / 788,187.32-1,182,447.03-255,666.84

Finding the Fourth Proportional to 788,187.32, 1,182,447.03 and 255,666.84

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Solution

The fourth proportional to 788,187.32, 1,182,447.03 and 255,666.84 is: 383,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,187.32 : 1,182,447.03 = 255,666.84 : x
  2. Step 2: Convert to fraction form
    788,187.32/1,182,447.03 = 255,666.84/x
  3. Step 3: Cross multiply
    788,187.32x = 1,182,447.03 × 255,666.84
  4. Step 4: Simplify right side
    788,187.32x = 302,312,495,627.49
  5. Step 5: Solve for x
    x = 302,312,495,627.49/788,187.32
  6. Step 6: Final answer
    x = 383,554.12

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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.