Home / 849,306.55-1,172,075.37-486,800.35

Finding the Fourth Proportional to 849,306.55, 1,172,075.37 and 486,800.35

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Solution

The fourth proportional to 849,306.55, 1,172,075.37 and 486,800.35 is: 671,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,306.55 : 1,172,075.37 = 486,800.35 : x
  2. Step 2: Convert to fraction form
    849,306.55/1,172,075.37 = 486,800.35/x
  3. Step 3: Cross multiply
    849,306.55x = 1,172,075.37 × 486,800.35
  4. Step 4: Simplify right side
    849,306.55x = 570,566,700,342.38
  5. Step 5: Solve for x
    x = 570,566,700,342.38/849,306.55
  6. Step 6: Final answer
    x = 671,803.01

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Double scale
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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.