Home / 900,069.06-1,242,051.66-512,975.10

Finding the Fourth Proportional to 900,069.06, 1,242,051.66 and 512,975.10

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Solution

The fourth proportional to 900,069.06, 1,242,051.66 and 512,975.10 is: 707,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,069.06 : 1,242,051.66 = 512,975.10 : x
  2. Step 2: Convert to fraction form
    900,069.06/1,242,051.66 = 512,975.10/x
  3. Step 3: Cross multiply
    900,069.06x = 1,242,051.66 × 512,975.10
  4. Step 4: Simplify right side
    900,069.06x = 637,141,574,493.67
  5. Step 5: Solve for x
    x = 637,141,574,493.67/900,069.06
  6. Step 6: Final answer
    x = 707,880.76

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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.