Home / 835,386.34-1,253,220.98-288,130.15

Finding the Fourth Proportional to 835,386.34, 1,253,220.98 and 288,130.15

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Solution

The fourth proportional to 835,386.34, 1,253,220.98 and 288,130.15 is: 432,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,386.34 : 1,253,220.98 = 288,130.15 : x
  2. Step 2: Convert to fraction form
    835,386.34/1,253,220.98 = 288,130.15/x
  3. Step 3: Cross multiply
    835,386.34x = 1,253,220.98 × 288,130.15
  4. Step 4: Simplify right side
    835,386.34x = 361,090,744,376.84
  5. Step 5: Solve for x
    x = 361,090,744,376.84/835,386.34
  6. Step 6: Final answer
    x = 432,244.01

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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.