Home / 770,689.02-1,063,528.95-426,539.37

Finding the Fourth Proportional to 770,689.02, 1,063,528.95 and 426,539.37

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Solution

The fourth proportional to 770,689.02, 1,063,528.95 and 426,539.37 is: 588,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,689.02 : 1,063,528.95 = 426,539.37 : x
  2. Step 2: Convert to fraction form
    770,689.02/1,063,528.95 = 426,539.37/x
  3. Step 3: Cross multiply
    770,689.02x = 1,063,528.95 × 426,539.37
  4. Step 4: Simplify right side
    770,689.02x = 453,636,968,309.76
  5. Step 5: Solve for x
    x = 453,636,968,309.76/770,689.02
  6. Step 6: Final answer
    x = 588,612.21

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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.