Home / 989,477.90-1,365,482.14-536,768.90

Finding the Fourth Proportional to 989,477.90, 1,365,482.14 and 536,768.90

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Solution

The fourth proportional to 989,477.90, 1,365,482.14 and 536,768.90 is: 740,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,477.90 : 1,365,482.14 = 536,768.90 : x
  2. Step 2: Convert to fraction form
    989,477.90/1,365,482.14 = 536,768.90/x
  3. Step 3: Cross multiply
    989,477.90x = 1,365,482.14 × 536,768.90
  4. Step 4: Simplify right side
    989,477.90x = 732,948,346,257.45
  5. Step 5: Solve for x
    x = 732,948,346,257.45/989,477.90
  6. Step 6: Final answer
    x = 740,742.51

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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.