Home / 763,008.40-1,144,512.60-464,075.20

Finding the Fourth Proportional to 763,008.40, 1,144,512.60 and 464,075.20

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Solution

The fourth proportional to 763,008.40, 1,144,512.60 and 464,075.20 is: 696,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,008.40 : 1,144,512.60 = 464,075.20 : x
  2. Step 2: Convert to fraction form
    763,008.40/1,144,512.60 = 464,075.20/x
  3. Step 3: Cross multiply
    763,008.40x = 1,144,512.60 × 464,075.20
  4. Step 4: Simplify right side
    763,008.40x = 531,139,913,747.52
  5. Step 5: Solve for x
    x = 531,139,913,747.52/763,008.40
  6. Step 6: Final answer
    x = 696,112.80

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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.