Home / 841,810.32-1,262,677.21-309,292.22

Finding the Fourth Proportional to 841,810.32, 1,262,677.21 and 309,292.22

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Solution

The fourth proportional to 841,810.32, 1,262,677.21 and 309,292.22 is: 463,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,810.32 : 1,262,677.21 = 309,292.22 : x
  2. Step 2: Convert to fraction form
    841,810.32/1,262,677.21 = 309,292.22/x
  3. Step 3: Cross multiply
    841,810.32x = 1,262,677.21 × 309,292.22
  4. Step 4: Simplify right side
    841,810.32x = 390,536,239,807.77
  5. Step 5: Solve for x
    x = 390,536,239,807.77/841,810.32
  6. Step 6: Final answer
    x = 463,924.27

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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.