Home / 724,486.41-1,085,315.90-474,410.25

Finding the Fourth Proportional to 724,486.41, 1,085,315.90 and 474,410.25

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Solution

The fourth proportional to 724,486.41, 1,085,315.90 and 474,410.25 is: 710,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,486.41 : 1,085,315.90 = 474,410.25 : x
  2. Step 2: Convert to fraction form
    724,486.41/1,085,315.90 = 474,410.25/x
  3. Step 3: Cross multiply
    724,486.41x = 1,085,315.90 × 474,410.25
  4. Step 4: Simplify right side
    724,486.41x = 514,884,985,075.92
  5. Step 5: Solve for x
    x = 514,884,985,075.92/724,486.41
  6. Step 6: Final answer
    x = 710,689.64

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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.