Home / 698,618.71-1,047,927.93-299,000.35

Finding the Fourth Proportional to 698,618.71, 1,047,927.93 and 299,000.35

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Solution

The fourth proportional to 698,618.71, 1,047,927.93 and 299,000.35 is: 448,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,618.71 : 1,047,927.93 = 299,000.35 : x
  2. Step 2: Convert to fraction form
    698,618.71/1,047,927.93 = 299,000.35/x
  3. Step 3: Cross multiply
    698,618.71x = 1,047,927.93 × 299,000.35
  4. Step 4: Simplify right side
    698,618.71x = 313,330,817,844.78
  5. Step 5: Solve for x
    x = 313,330,817,844.78/698,618.71
  6. Step 6: Final answer
    x = 448,500.47

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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.