Home / 719,449.02-1,079,303.13-359,807.40

Finding the Fourth Proportional to 719,449.02, 1,079,303.13 and 359,807.40

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Solution

The fourth proportional to 719,449.02, 1,079,303.13 and 359,807.40 is: 539,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,449.02 : 1,079,303.13 = 359,807.40 : x
  2. Step 2: Convert to fraction form
    719,449.02/1,079,303.13 = 359,807.40/x
  3. Step 3: Cross multiply
    719,449.02x = 1,079,303.13 × 359,807.40
  4. Step 4: Simplify right side
    719,449.02x = 388,341,253,017.16
  5. Step 5: Solve for x
    x = 388,341,253,017.16/719,449.02
  6. Step 6: Final answer
    x = 539,775.91

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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.