Home / 869,056.40-1,303,519.80-363,486.80

Finding the Fourth Proportional to 869,056.40, 1,303,519.80 and 363,486.80

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Solution

The fourth proportional to 869,056.40, 1,303,519.80 and 363,486.80 is: 545,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,056.40 : 1,303,519.80 = 363,486.80 : x
  2. Step 2: Convert to fraction form
    869,056.40/1,303,519.80 = 363,486.80/x
  3. Step 3: Cross multiply
    869,056.40x = 1,303,519.80 × 363,486.80
  4. Step 4: Simplify right side
    869,056.40x = 473,812,240,838.64
  5. Step 5: Solve for x
    x = 473,812,240,838.64/869,056.40
  6. Step 6: Final answer
    x = 545,203.10

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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.