Home / 763,904.06-1,144,734.56-384,303.05

Finding the Fourth Proportional to 763,904.06, 1,144,734.56 and 384,303.05

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Solution

The fourth proportional to 763,904.06, 1,144,734.56 and 384,303.05 is: 575,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,904.06 : 1,144,734.56 = 384,303.05 : x
  2. Step 2: Convert to fraction form
    763,904.06/1,144,734.56 = 384,303.05/x
  3. Step 3: Cross multiply
    763,904.06x = 1,144,734.56 × 384,303.05
  4. Step 4: Simplify right side
    763,904.06x = 439,924,975,203.22
  5. Step 5: Solve for x
    x = 439,924,975,203.22/763,904.06
  6. Step 6: Final answer
    x = 575,890.35

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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.