Home / 716,888.28-1,075,335.44-290,432.40

Finding the Fourth Proportional to 716,888.28, 1,075,335.44 and 290,432.40

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Solution

The fourth proportional to 716,888.28, 1,075,335.44 and 290,432.40 is: 435,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,888.28 : 1,075,335.44 = 290,432.40 : x
  2. Step 2: Convert to fraction form
    716,888.28/1,075,335.44 = 290,432.40/x
  3. Step 3: Cross multiply
    716,888.28x = 1,075,335.44 × 290,432.40
  4. Step 4: Simplify right side
    716,888.28x = 312,312,252,644.26
  5. Step 5: Solve for x
    x = 312,312,252,644.26/716,888.28
  6. Step 6: Final answer
    x = 435,649.82

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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.