Home / 724,809.36-1,000,250.48-402,549.66

Finding the Fourth Proportional to 724,809.36, 1,000,250.48 and 402,549.66

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Solution

The fourth proportional to 724,809.36, 1,000,250.48 and 402,549.66 is: 555,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,809.36 : 1,000,250.48 = 402,549.66 : x
  2. Step 2: Convert to fraction form
    724,809.36/1,000,250.48 = 402,549.66/x
  3. Step 3: Cross multiply
    724,809.36x = 1,000,250.48 × 402,549.66
  4. Step 4: Simplify right side
    724,809.36x = 402,650,490,638.84
  5. Step 5: Solve for x
    x = 402,650,490,638.84/724,809.36
  6. Step 6: Final answer
    x = 555,526.06

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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.