Home / 989,477.01-1,365,480.90-536,768.01

Finding the Fourth Proportional to 989,477.01, 1,365,480.90 and 536,768.01

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Solution

The fourth proportional to 989,477.01, 1,365,480.90 and 536,768.01 is: 740,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,477.01 : 1,365,480.90 = 536,768.01 : x
  2. Step 2: Convert to fraction form
    989,477.01/1,365,480.90 = 536,768.01/x
  3. Step 3: Cross multiply
    989,477.01x = 1,365,480.90 × 536,768.01
  4. Step 4: Simplify right side
    989,477.01x = 732,946,465,386.01
  5. Step 5: Solve for x
    x = 732,946,465,386.01/989,477.01
  6. Step 6: Final answer
    x = 740,741.28

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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.