Home / 916,453.46-1,264,603.13-508,572.49

Finding the Fourth Proportional to 916,453.46, 1,264,603.13 and 508,572.49

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Solution

The fourth proportional to 916,453.46, 1,264,603.13 and 508,572.49 is: 701,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,453.46 : 1,264,603.13 = 508,572.49 : x
  2. Step 2: Convert to fraction form
    916,453.46/1,264,603.13 = 508,572.49/x
  3. Step 3: Cross multiply
    916,453.46x = 1,264,603.13 × 508,572.49
  4. Step 4: Simplify right side
    916,453.46x = 643,142,362,685.89
  5. Step 5: Solve for x
    x = 643,142,362,685.89/916,453.46
  6. Step 6: Final answer
    x = 701,773.07

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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.