Home / 779,710.24-1,075,885.60-435,503.76

Finding the Fourth Proportional to 779,710.24, 1,075,885.60 and 435,503.76

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Solution

The fourth proportional to 779,710.24, 1,075,885.60 and 435,503.76 is: 600,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,710.24 : 1,075,885.60 = 435,503.76 : x
  2. Step 2: Convert to fraction form
    779,710.24/1,075,885.60 = 435,503.76/x
  3. Step 3: Cross multiply
    779,710.24x = 1,075,885.60 × 435,503.76
  4. Step 4: Simplify right side
    779,710.24x = 468,552,224,129.86
  5. Step 5: Solve for x
    x = 468,552,224,129.86/779,710.24
  6. Step 6: Final answer
    x = 600,931.22

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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.