Home / 770,397.02-1,063,488.40-460,408.96

Finding the Fourth Proportional to 770,397.02, 1,063,488.40 and 460,408.96

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Solution

The fourth proportional to 770,397.02, 1,063,488.40 and 460,408.96 is: 635,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,397.02 : 1,063,488.40 = 460,408.96 : x
  2. Step 2: Convert to fraction form
    770,397.02/1,063,488.40 = 460,408.96/x
  3. Step 3: Cross multiply
    770,397.02x = 1,063,488.40 × 460,408.96
  4. Step 4: Simplify right side
    770,397.02x = 489,639,588,216.06
  5. Step 5: Solve for x
    x = 489,639,588,216.06/770,397.02
  6. Step 6: Final answer
    x = 635,567.86

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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.