Home / 648,004.30-972,006.45-624,384.70

Finding the Fourth Proportional to 648,004.30, 972,006.45 and 624,384.70

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Solution

The fourth proportional to 648,004.30, 972,006.45 and 624,384.70 is: 936,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,004.30 : 972,006.45 = 624,384.70 : x
  2. Step 2: Convert to fraction form
    648,004.30/972,006.45 = 624,384.70/x
  3. Step 3: Cross multiply
    648,004.30x = 972,006.45 × 624,384.70
  4. Step 4: Simplify right side
    648,004.30x = 606,905,955,681.32
  5. Step 5: Solve for x
    x = 606,905,955,681.32/648,004.30
  6. Step 6: Final answer
    x = 936,577.05

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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.