Home / 740,136.95-1,021,389.24-417,867.81

Finding the Fourth Proportional to 740,136.95, 1,021,389.24 and 417,867.81

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Solution

The fourth proportional to 740,136.95, 1,021,389.24 and 417,867.81 is: 576,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,136.95 : 1,021,389.24 = 417,867.81 : x
  2. Step 2: Convert to fraction form
    740,136.95/1,021,389.24 = 417,867.81/x
  3. Step 3: Cross multiply
    740,136.95x = 1,021,389.24 × 417,867.81
  4. Step 4: Simplify right side
    740,136.95x = 426,805,684,876.36
  5. Step 5: Solve for x
    x = 426,805,684,876.36/740,136.95
  6. Step 6: Final answer
    x = 576,657.72

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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.