Home / 763,766.51-1,054,031.15-424,234.76

Finding the Fourth Proportional to 763,766.51, 1,054,031.15 and 424,234.76

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Solution

The fourth proportional to 763,766.51, 1,054,031.15 and 424,234.76 is: 585,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,766.51 : 1,054,031.15 = 424,234.76 : x
  2. Step 2: Convert to fraction form
    763,766.51/1,054,031.15 = 424,234.76/x
  3. Step 3: Cross multiply
    763,766.51x = 1,054,031.15 × 424,234.76
  4. Step 4: Simplify right side
    763,766.51x = 447,156,649,831.60
  5. Step 5: Solve for x
    x = 447,156,649,831.60/763,766.51
  6. Step 6: Final answer
    x = 585,462.50

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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.