Home / 724,726.08-999,960.93-438,240.15

Finding the Fourth Proportional to 724,726.08, 999,960.93 and 438,240.15

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Solution

The fourth proportional to 724,726.08, 999,960.93 and 438,240.15 is: 604,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,726.08 : 999,960.93 = 438,240.15 : x
  2. Step 2: Convert to fraction form
    724,726.08/999,960.93 = 438,240.15/x
  3. Step 3: Cross multiply
    724,726.08x = 999,960.93 × 438,240.15
  4. Step 4: Simplify right side
    724,726.08x = 438,223,027,957.34
  5. Step 5: Solve for x
    x = 438,223,027,957.34/724,726.08
  6. Step 6: Final answer
    x = 604,674.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.