Home / 841,875.98-1,263,312.20-309,770.68

Finding the Fourth Proportional to 841,875.98, 1,263,312.20 and 309,770.68

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Solution

The fourth proportional to 841,875.98, 1,263,312.20 and 309,770.68 is: 464,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,875.98 : 1,263,312.20 = 309,770.68 : x
  2. Step 2: Convert to fraction form
    841,875.98/1,263,312.20 = 309,770.68/x
  3. Step 3: Cross multiply
    841,875.98x = 1,263,312.20 × 309,770.68
  4. Step 4: Simplify right side
    841,875.98x = 391,337,077,488.69
  5. Step 5: Solve for x
    x = 391,337,077,488.69/841,875.98
  6. Step 6: Final answer
    x = 464,839.34

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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.