Home / 915,180.04-1,370,983.21-434,724.16

Finding the Fourth Proportional to 915,180.04, 1,370,983.21 and 434,724.16

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Solution

The fourth proportional to 915,180.04, 1,370,983.21 and 434,724.16 is: 651,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,180.04 : 1,370,983.21 = 434,724.16 : x
  2. Step 2: Convert to fraction form
    915,180.04/1,370,983.21 = 434,724.16/x
  3. Step 3: Cross multiply
    915,180.04x = 1,370,983.21 × 434,724.16
  4. Step 4: Simplify right side
    915,180.04x = 595,999,524,341.35
  5. Step 5: Solve for x
    x = 595,999,524,341.35/915,180.04
  6. Step 6: Final answer
    x = 651,237.46

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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.