Home / 897,981.15-1,239,225.47-530,470.38

Finding the Fourth Proportional to 897,981.15, 1,239,225.47 and 530,470.38

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Solution

The fourth proportional to 897,981.15, 1,239,225.47 and 530,470.38 is: 732,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,981.15 : 1,239,225.47 = 530,470.38 : x
  2. Step 2: Convert to fraction form
    897,981.15/1,239,225.47 = 530,470.38/x
  3. Step 3: Cross multiply
    897,981.15x = 1,239,225.47 × 530,470.38
  4. Step 4: Simplify right side
    897,981.15x = 657,372,405,313.49
  5. Step 5: Solve for x
    x = 657,372,405,313.49/897,981.15
  6. Step 6: Final answer
    x = 732,055.91

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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.