Home / 724,867.65-1,000,345.50-402,602.25

Finding the Fourth Proportional to 724,867.65, 1,000,345.50 and 402,602.25

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Solution

The fourth proportional to 724,867.65, 1,000,345.50 and 402,602.25 is: 555,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,867.65 : 1,000,345.50 = 402,602.25 : x
  2. Step 2: Convert to fraction form
    724,867.65/1,000,345.50 = 402,602.25/x
  3. Step 3: Cross multiply
    724,867.65x = 1,000,345.50 × 402,602.25
  4. Step 4: Simplify right side
    724,867.65x = 402,741,349,077.38
  5. Step 5: Solve for x
    x = 402,741,349,077.38/724,867.65
  6. Step 6: Final answer
    x = 555,606.74

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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.