Home / 912,602.35-1,368,935.34-313,559.20

Finding the Fourth Proportional to 912,602.35, 1,368,935.34 and 313,559.20

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Solution

The fourth proportional to 912,602.35, 1,368,935.34 and 313,559.20 is: 470,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,602.35 : 1,368,935.34 = 313,559.20 : x
  2. Step 2: Convert to fraction form
    912,602.35/1,368,935.34 = 313,559.20/x
  3. Step 3: Cross multiply
    912,602.35x = 1,368,935.34 × 313,559.20
  4. Step 4: Simplify right side
    912,602.35x = 429,242,270,062.13
  5. Step 5: Solve for x
    x = 429,242,270,062.13/912,602.35
  6. Step 6: Final answer
    x = 470,349.73

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1.5x scale

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.