Home / 745,964.40-1,118,827.80-247,328.40

Finding the Fourth Proportional to 745,964.40, 1,118,827.80 and 247,328.40

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Solution

The fourth proportional to 745,964.40, 1,118,827.80 and 247,328.40 is: 370,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,964.40 : 1,118,827.80 = 247,328.40 : x
  2. Step 2: Convert to fraction form
    745,964.40/1,118,827.80 = 247,328.40/x
  3. Step 3: Cross multiply
    745,964.40x = 1,118,827.80 × 247,328.40
  4. Step 4: Simplify right side
    745,964.40x = 276,717,889,649.52
  5. Step 5: Solve for x
    x = 276,717,889,649.52/745,964.40
  6. Step 6: Final answer
    x = 370,953.21

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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.