Home / 766,435.58-1,057,630.47-460,330.07

Finding the Fourth Proportional to 766,435.58, 1,057,630.47 and 460,330.07

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Solution

The fourth proportional to 766,435.58, 1,057,630.47 and 460,330.07 is: 635,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,435.58 : 1,057,630.47 = 460,330.07 : x
  2. Step 2: Convert to fraction form
    766,435.58/1,057,630.47 = 460,330.07/x
  3. Step 3: Cross multiply
    766,435.58x = 1,057,630.47 × 460,330.07
  4. Step 4: Simplify right side
    766,435.58x = 486,859,101,274.84
  5. Step 5: Solve for x
    x = 486,859,101,274.84/766,435.58
  6. Step 6: Final answer
    x = 635,225.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.