Home / 985,507.51-1,478,262.62-275,534.86

Finding the Fourth Proportional to 985,507.51, 1,478,262.62 and 275,534.86

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Solution

The fourth proportional to 985,507.51, 1,478,262.62 and 275,534.86 is: 413,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,507.51 : 1,478,262.62 = 275,534.86 : x
  2. Step 2: Convert to fraction form
    985,507.51/1,478,262.62 = 275,534.86/x
  3. Step 3: Cross multiply
    985,507.51x = 1,478,262.62 × 275,534.86
  4. Step 4: Simplify right side
    985,507.51x = 407,312,881,038.11
  5. Step 5: Solve for x
    x = 407,312,881,038.11/985,507.51
  6. Step 6: Final answer
    x = 413,302.67

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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.