Home / 918,462.51-1,377,707.81-349,875.18

Finding the Fourth Proportional to 918,462.51, 1,377,707.81 and 349,875.18

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Solution

The fourth proportional to 918,462.51, 1,377,707.81 and 349,875.18 is: 524,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,462.51 : 1,377,707.81 = 349,875.18 : x
  2. Step 2: Convert to fraction form
    918,462.51/1,377,707.81 = 349,875.18/x
  3. Step 3: Cross multiply
    918,462.51x = 1,377,707.81 × 349,875.18
  4. Step 4: Simplify right side
    918,462.51x = 482,025,768,011.16
  5. Step 5: Solve for x
    x = 482,025,768,011.16/918,462.51
  6. Step 6: Final answer
    x = 524,818.12

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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.