Home / 984,401.60-1,477,293.60-423,838.40

Finding the Fourth Proportional to 984,401.60, 1,477,293.60 and 423,838.40

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Solution

The fourth proportional to 984,401.60, 1,477,293.60 and 423,838.40 is: 636,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,401.60 : 1,477,293.60 = 423,838.40 : x
  2. Step 2: Convert to fraction form
    984,401.60/1,477,293.60 = 423,838.40/x
  3. Step 3: Cross multiply
    984,401.60x = 1,477,293.60 × 423,838.40
  4. Step 4: Simplify right side
    984,401.60x = 626,133,755,754.24
  5. Step 5: Solve for x
    x = 626,133,755,754.24/984,401.60
  6. Step 6: Final answer
    x = 636,055.20

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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.