Home / 918,038.96-1,266,868.38-510,130.24

Finding the Fourth Proportional to 918,038.96, 1,266,868.38 and 510,130.24

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Solution

The fourth proportional to 918,038.96, 1,266,868.38 and 510,130.24 is: 703,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,038.96 : 1,266,868.38 = 510,130.24 : x
  2. Step 2: Convert to fraction form
    918,038.96/1,266,868.38 = 510,130.24/x
  3. Step 3: Cross multiply
    918,038.96x = 1,266,868.38 × 510,130.24
  4. Step 4: Simplify right side
    918,038.96x = 646,267,870,737.81
  5. Step 5: Solve for x
    x = 646,267,870,737.81/918,038.96
  6. Step 6: Final answer
    x = 703,965.63

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1.5x scale

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.