Home / 603,973.40-904,923.30-287,749.40

Finding the Fourth Proportional to 603,973.40, 904,923.30 and 287,749.40

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Solution

The fourth proportional to 603,973.40, 904,923.30 and 287,749.40 is: 431,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,973.40 : 904,923.30 = 287,749.40 : x
  2. Step 2: Convert to fraction form
    603,973.40/904,923.30 = 287,749.40/x
  3. Step 3: Cross multiply
    603,973.40x = 904,923.30 × 287,749.40
  4. Step 4: Simplify right side
    603,973.40x = 260,391,136,621.02
  5. Step 5: Solve for x
    x = 260,391,136,621.02/603,973.40
  6. Step 6: Final answer
    x = 431,130.14

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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.