Home / 608,002.70-912,004.05-578,972.30

Finding the Fourth Proportional to 608,002.70, 912,004.05 and 578,972.30

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Solution

The fourth proportional to 608,002.70, 912,004.05 and 578,972.30 is: 868,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,002.70 : 912,004.05 = 578,972.30 : x
  2. Step 2: Convert to fraction form
    608,002.70/912,004.05 = 578,972.30/x
  3. Step 3: Cross multiply
    608,002.70x = 912,004.05 × 578,972.30
  4. Step 4: Simplify right side
    608,002.70x = 528,025,082,437.82
  5. Step 5: Solve for x
    x = 528,025,082,437.82/608,002.70
  6. Step 6: Final answer
    x = 868,458.45

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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.