Home / 758,503.48-1,046,681.58-418,945

Finding the Fourth Proportional to 758,503.48, 1,046,681.58 and 418,945

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Solution

The fourth proportional to 758,503.48, 1,046,681.58 and 418,945 is: 578,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,503.48 : 1,046,681.58 = 418,945 : x
  2. Step 2: Convert to fraction form
    758,503.48/1,046,681.58 = 418,945/x
  3. Step 3: Cross multiply
    758,503.48x = 1,046,681.58 × 418,945
  4. Step 4: Simplify right side
    758,503.48x = 438,502,014,533.10
  5. Step 5: Solve for x
    x = 438,502,014,533.10/758,503.48
  6. Step 6: Final answer
    x = 578,114.70

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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.