Home / 500,329.47-749,865.45-357,430.89

Finding the Fourth Proportional to 500,329.47, 749,865.45 and 357,430.89

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Solution

The fourth proportional to 500,329.47, 749,865.45 and 357,430.89 is: 535,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,329.47 : 749,865.45 = 357,430.89 : x
  2. Step 2: Convert to fraction form
    500,329.47/749,865.45 = 357,430.89/x
  3. Step 3: Cross multiply
    500,329.47x = 749,865.45 × 357,430.89
  4. Step 4: Simplify right side
    500,329.47x = 268,025,075,173.75
  5. Step 5: Solve for x
    x = 268,025,075,173.75/500,329.47
  6. Step 6: Final answer
    x = 535,697.16

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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.