Home / 648,001.95-972,002.93-293,707.95

Finding the Fourth Proportional to 648,001.95, 972,002.93 and 293,707.95

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Solution

The fourth proportional to 648,001.95, 972,002.93 and 293,707.95 is: 440,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.95 : 972,002.93 = 293,707.95 : x
  2. Step 2: Convert to fraction form
    648,001.95/972,002.93 = 293,707.95/x
  3. Step 3: Cross multiply
    648,001.95x = 972,002.93 × 293,707.95
  4. Step 4: Simplify right side
    648,001.95x = 285,484,986,495.75
  5. Step 5: Solve for x
    x = 285,484,986,495.75/648,001.95
  6. Step 6: Final answer
    x = 440,561.93

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.