Home / 947,409.72-1,421,163.80-473,935.16

Finding the Fourth Proportional to 947,409.72, 1,421,163.80 and 473,935.16

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Solution

The fourth proportional to 947,409.72, 1,421,163.80 and 473,935.16 is: 710,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,409.72 : 1,421,163.80 = 473,935.16 : x
  2. Step 2: Convert to fraction form
    947,409.72/1,421,163.80 = 473,935.16/x
  3. Step 3: Cross multiply
    947,409.72x = 1,421,163.80 × 473,935.16
  4. Step 4: Simplify right side
    947,409.72x = 673,539,483,463.71
  5. Step 5: Solve for x
    x = 673,539,483,463.71/947,409.72
  6. Step 6: Final answer
    x = 710,927.35

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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.