Home / 907,501.30-1,360,923.90-458,072.80

Finding the Fourth Proportional to 907,501.30, 1,360,923.90 and 458,072.80

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Solution

The fourth proportional to 907,501.30, 1,360,923.90 and 458,072.80 is: 686,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,501.30 : 1,360,923.90 = 458,072.80 : x
  2. Step 2: Convert to fraction form
    907,501.30/1,360,923.90 = 458,072.80/x
  3. Step 3: Cross multiply
    907,501.30x = 1,360,923.90 × 458,072.80
  4. Step 4: Simplify right side
    907,501.30x = 623,402,221,459.92
  5. Step 5: Solve for x
    x = 623,402,221,459.92/907,501.30
  6. Step 6: Final answer
    x = 686,943.61

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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.