Home / 665,332.20-918,158.40-363,526.20

Finding the Fourth Proportional to 665,332.20, 918,158.40 and 363,526.20

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Solution

The fourth proportional to 665,332.20, 918,158.40 and 363,526.20 is: 501,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,332.20 : 918,158.40 = 363,526.20 : x
  2. Step 2: Convert to fraction form
    665,332.20/918,158.40 = 363,526.20/x
  3. Step 3: Cross multiply
    665,332.20x = 918,158.40 × 363,526.20
  4. Step 4: Simplify right side
    665,332.20x = 333,774,634,150.08
  5. Step 5: Solve for x
    x = 333,774,634,150.08/665,332.20
  6. Step 6: Final answer
    x = 501,666.14

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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.