Home / 748,435.40-1,125,417.90-626,784.20

Finding the Fourth Proportional to 748,435.40, 1,125,417.90 and 626,784.20

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Solution

The fourth proportional to 748,435.40, 1,125,417.90 and 626,784.20 is: 942,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,435.40 : 1,125,417.90 = 626,784.20 : x
  2. Step 2: Convert to fraction form
    748,435.40/1,125,417.90 = 626,784.20/x
  3. Step 3: Cross multiply
    748,435.40x = 1,125,417.90 × 626,784.20
  4. Step 4: Simplify right side
    748,435.40x = 705,394,158,117.18
  5. Step 5: Solve for x
    x = 705,394,158,117.18/748,435.40
  6. Step 6: Final answer
    x = 942,491.71

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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.