Home / 724,827.12-1,000,294.64-402,538.64

Finding the Fourth Proportional to 724,827.12, 1,000,294.64 and 402,538.64

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Solution

The fourth proportional to 724,827.12, 1,000,294.64 and 402,538.64 is: 555,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,827.12 : 1,000,294.64 = 402,538.64 : x
  2. Step 2: Convert to fraction form
    724,827.12/1,000,294.64 = 402,538.64/x
  3. Step 3: Cross multiply
    724,827.12x = 1,000,294.64 × 402,538.64
  4. Step 4: Simplify right side
    724,827.12x = 402,657,243,984.89
  5. Step 5: Solve for x
    x = 402,657,243,984.89/724,827.12
  6. Step 6: Final answer
    x = 555,521.77

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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.