Home / 688,483.09-949,811.95-429,911.14

Finding the Fourth Proportional to 688,483.09, 949,811.95 and 429,911.14

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Solution

The fourth proportional to 688,483.09, 949,811.95 and 429,911.14 is: 593,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,483.09 : 949,811.95 = 429,911.14 : x
  2. Step 2: Convert to fraction form
    688,483.09/949,811.95 = 429,911.14/x
  3. Step 3: Cross multiply
    688,483.09x = 949,811.95 × 429,911.14
  4. Step 4: Simplify right side
    688,483.09x = 408,334,738,210.12
  5. Step 5: Solve for x
    x = 408,334,738,210.12/688,483.09
  6. Step 6: Final answer
    x = 593,093.34

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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.